Jon Michael Gran
- Researcher (Statistician), Professor; PhD
- +47 22 85 14 54
Publications 2024
[Dependent censoring]
Tidsskr Nor Laegeforen, 144 (1)
DOI 10.4045/tidsskr.23.0685, PubMed 38258729
Separable and controlled direct effects for competing events: Estimation of component specific effects on sickness absence
Stat Med (in press)
DOI 10.1002/sim.10179, PubMed 39051609
Gender and educational differences in work participation and working years lost in Norway
Scand J Work Environ Health, 50 (6), 426-436
DOI 10.5271/sjweh.4166, PubMed 38785113
Prenatal exposure to benzodiazepine and z-hypnotics and fifth-grade scholastic skills - emulating target trials using data from the Norwegian Mother, Father and Child Cohort Study
Am J Epidemiol (in press)
DOI 10.1093/aje/kwae159, PubMed 38944758
Risk of epilepsy after traumatic brain injury: a nationwide Norwegian matched cohort study
Front Neurol, 15, 1411692
DOI 10.3389/fneur.2024.1411692, PubMed 38903174
Publications 2023
The effects of a national, voluntary agreement for a more inclusive working life on work participation following long-term sickness absence: a Norwegian cohort study
Scand J Work Environ Health, 49 (7), 466-476
DOI 10.5271/sjweh.4112, PubMed 37548319
Causal inference in survival analysis using longitudinal observational data: Sequential trials and marginal structural models
Stat Med, 42 (13), 2191-2225
DOI 10.1002/sim.9718, PubMed 37086186
Third dose mRNA vaccination against SARS-CoV-2 reduces medical complaints seen in primary care: a matched cohort study
BMC Med, 21 (1), 157
DOI 10.1186/s12916-023-02870-2, PubMed 37101263
Association of physical activity with overall mortality among long-term testicular cancer survivors: A longitudinal study
Int J Cancer, 153 (8), 1512-1519
DOI 10.1002/ijc.34625, PubMed 37334652
Publications 2022
Predelivery placenta-associated biomarkers and computerized intrapartum fetal heart rate patterns
AJOG Glob Rep, 3 (1), 100149
DOI 10.1016/j.xagr.2022.100149, PubMed 36647548
[What is life expectancy?]
Tidsskr Nor Laegeforen, 142 (3)
DOI 10.4045/tidsskr.21.0828, PubMed 35170920
[Different types of interference in randomised trials]
Tidsskr Nor Laegeforen, 142 (9)
DOI 10.4045/tidsskr.22.0059, PubMed 35699544
Impact of the Norwegian Agreement for a More Inclusive Working Life on diagnosis-specific sickness absence in young adults: a difference-in-difference analysis
BMC Public Health, 22 (1), 235
DOI 10.1186/s12889-022-12636-9, PubMed 35120464
Strategies to manage auxiliary pain medications in chronic pain trials: a topical review
Eur J Clin Pharmacol, 78 (9), 1377-1384
DOI 10.1007/s00228-022-03355-6, PubMed 35842457
An initiative for a more inclusive working life and its effect on return-to-work after sickness absence: a multistate longitudinal cohort study
BMJ Open, 12 (11), e062558
DOI 10.1136/bmjopen-2022-062558, PubMed 36414299
Short-term safety of COVID-19 mRNA vaccines with respect to all-cause mortality in the older population in Norway
Vaccine, 41 (2), 323-332
DOI 10.1016/j.vaccine.2022.10.085, PubMed 36376216
Association of Prenatal Exposure to Benzodiazepines and Z-Hypnotics With Risk of Attention-Deficit/Hyperactivity Disorder in Childhood
JAMA Netw Open, 5 (12), e2246889
DOI 10.1001/jamanetworkopen.2022.46889, PubMed 36520439
Injuries after violence and accidents - the forgotten pandemic?
Tidsskr Nor Laegeforen, 142 (8)
DOI 10.4045/tidsskr.22.0261, PubMed 35635423
Gender Differences in Associations between Biomechanical and Psychosocial Work Exposures and Age of Withdrawal from Paid Employment among Older Workers
Int J Environ Res Public Health, 19 (17)
DOI 10.3390/ijerph191710563, PubMed 36078277
Letter to the editor regarding "Covid-19 transmission in fitness centers in Norway - a randomized trial"
BMC Public Health, 22 (1), 2433
DOI 10.1186/s12889-022-14800-7, PubMed 36575451
Publications 2021
The association between placenta-associated circulating biomarkers and composite adverse delivery outcome of a likely placental cause in healthy post-date pregnancies
Acta Obstet Gynecol Scand, 100 (10), 1893-1901
DOI 10.1111/aogs.14223, PubMed 34212381
[Measurement experiments]
Tidsskr Nor Laegeforen, 141 (5)
DOI 10.4045/tidsskr.20.0839, PubMed 33754665
Goal Attempts
Tidsskr. Nor. Laegeforen., 141 (5), 466
Effect of bariatric surgery on employment status-a 7 years controlled nationwide registry study
BMJ Open, 11 (6), e042845
DOI 10.1136/bmjopen-2020-042845, PubMed 34158292
Simulating longitudinal data from marginal structural models using the additive hazard model
Biom J, 63 (7), 1526-1541
DOI 10.1002/bimj.202000040, PubMed 33983641
A hybrid landmark Aalen-Johansen estimator for transition probabilities in partially non-Markov multi-state models
Lifetime Data Anal, 27 (4), 737-760
DOI 10.1007/s10985-021-09534-4, PubMed 34595580
Injury Prevention and long-term Outcomes following Trauma-the IPOT project: a protocol for prospective nationwide registry-based studies in Norway
BMJ Open, 11 (5), e046954
DOI 10.1136/bmjopen-2020-046954, PubMed 34006552
Pre-injury dispensing of psychoactive prescription drugs in a ten years trauma population: a retrospective registry analysis
Scand J Trauma Resusc Emerg Med, 29 (1), 125
DOI 10.1186/s13049-021-00939-6, PubMed 34454541
Publications 2020
The association of birthweight with age at natural menopause: a population study of women in Norway
Int J Epidemiol, 49 (2), 528-536
DOI 10.1093/ije/dyz207, PubMed 31633179
Temporal trends in age at menarche and age at menopause: a population study of 312 656 women in Norway
Hum Reprod, 35 (2), 464-471
DOI 10.1093/humrep/dez288, PubMed 31990353
Reply: Menarche age, menopausal age and cumulative exposure to endogenous estrogens
Hum Reprod, 35 (11), 2632
DOI 10.1093/humrep/deaa276, PubMed 33047133
[Randomisation of infection control measures]
Tidsskr Nor Laegeforen, 140 (16)
DOI 10.4045/tidsskr.20.0834, PubMed 33172246
Randomization of infection control measures
Tidsskr. Nor. Laegeforen., 140 (16), 1612
Seasonal and pandemic influenza during pregnancy and risk of fetal death: A Norwegian registry-based cohort study
Eur J Epidemiol, 35 (4), 371-379
DOI 10.1007/s10654-020-00600-z, PubMed 31950373
Maternal placental growth factor and soluble fms-like tyrosine kinase-1 reference ranges in post-term pregnancies: A prospective observational study
PLoS One, 15 (10), e0240473
DOI 10.1371/journal.pone.0240473, PubMed 33079955
[Randomisation during a pandemic]
Tidsskr Nor Laegeforen, 140 (10)
DOI 10.4045/tidsskr.20.0439, PubMed 32602317
Randomization during a pandemic
Tidsskr. Nor. Laegeforen., 140 (10), 1042
Immune checkpoint blockade in the treatment of advanced non-small cell lung cancer - predictors of response and impact of previous radiotherapy
Acta Oncol, 60 (2), 149-156
DOI 10.1080/0284186X.2020.1854851, PubMed 33356733
Publications 2019
Global test for high-dimensional mediation: Testing groups of potential mediators
Stat Med, 38 (18), 3346-3360
DOI 10.1002/sim.8199, PubMed 31074092
Landmark estimation of transition probabilities in non-Markov multi-state models with covariates
Lifetime Data Anal, 25 (4), 660-680
DOI 10.1007/s10985-019-09474-0, PubMed 30997582
Long-Term Survival after Invasive or Conservative Strategy in Elderly Patients with non-ST-Elevation Myocardial Infarction: A Prospective Cohort Study
Cardiology, 144 (3-4), 79-89
DOI 10.1159/000503442, PubMed 31689705
Comparison of the associations between non-traditional and traditional indices of adiposity and cardiovascular mortality: an observational study of one million person-years of follow-up
Int J Obes (Lond), 43 (5), 1082-1092
DOI 10.1038/s41366-019-0353-9, PubMed 30926954
Impact of prenatal exposure to benzodiazepines and z-hypnotics on behavioral problems at 5 years of age: A study from the Norwegian Mother and Child Cohort Study
PLoS One, 14 (6), e0217830
DOI 10.1371/journal.pone.0217830, PubMed 31170221
Publications 2018
An association between YKL-40 and type 2 diabetes in psychotic disorders
Acta Psychiatr Scand, 139 (1), 37-45
DOI 10.1111/acps.12971, PubMed 30328100
Estimating the treatment effect on the treated under time-dependent confounding in an application to the Swiss HIV Cohort Study
J. R. Stat. Soc. Ser. C-Appl. Stat., 67 (1), 103-125
DOI 10.1111/rssc.12221
Letter to the Editor: Comparison of statistical approaches dealing with time-dependent confounding in drug effectiveness studies (SMMR, Vol. 27, Issue 6, 2018)
Stat Methods Med Res, 28 (1), 321-322
DOI 10.1177/0962280218811177, PubMed 30392452
The impact of completing upper secondary education - a multi-state model for work, education and health in young men
BMC Public Health, 18 (1), 556
DOI 10.1186/s12889-018-5420-y, PubMed 29699532
Association of IL-8 With Infarct Size and Clinical Outcomes in Patients With STEMI
J Am Coll Cardiol, 72 (2), 187-198
DOI 10.1016/j.jacc.2018.04.053, PubMed 29976293
A randomized controlled trial in Norwegian pharmacies on effects of risk alert and advice in people with elevated cardiovascular risk
Prev Med Rep, 12, 79-86
DOI 10.1016/j.pmedr.2018.08.004, PubMed 30191097
Feedback and Mediation in Causal Inference Illustrated by Stochastic Process Models
Scand. J. Stat., 45 (1), 62-86
DOI 10.1111/sjos.12286
Publications 2017
Symptom burden and patient characteristics: Association with quality of life in patients with head and neck cancer undergoing radiotherapy
Head Neck, 39 (10), 2114-2126
DOI 10.1002/hed.24875, PubMed 28766791
Joint Bayesian modeling of time to malaria and mosquito abundance in Ethiopia
BMC Infect Dis, 17 (1), 415
DOI 10.1186/s12879-017-2496-4, PubMed 28606100
Estimates of global seasonal influenza-associated respiratory mortality: a modelling study
Lancet, 391 (10127), 1285-1300
DOI 10.1016/S0140-6736(17)33293-2, PubMed 29248255
Osteoprotegerin levels in ST-elevation myocardial infarction: Temporal profile and association with myocardial injury and left ventricular function
PLoS One, 12 (3), e0173034
DOI 10.1371/journal.pone.0173034, PubMed 28253327
Publications 2016
Dynamic models for estimating the effect of HAART on CD4 in observational studies: Application to the Aquitaine Cohort and the Swiss HIV Cohort Study
Biometrics, 73 (1), 294-304
DOI 10.1111/biom.12564, PubMed 27461460
Dietary counseling is associated with an improved lipid profile in children with familial hypercholesterolemia
Atherosclerosis, 252, 21-27
DOI 10.1016/j.atherosclerosis.2016.07.913, PubMed 27494447
Publications 2015
Adult social position and sick leave: the mediating effect of physical workload
Scand J Work Environ Health, 41 (6), 542-53
DOI 10.5271/sjweh.3525, PubMed 26416156
Survival analysis in medicine and genetics
Tidsskr. Nor. Laegeforen., 135 (4), 357
DOI 10.4045/tidsskr.14.1381
Causal inference in multi-state models-sickness absence and work for 1145 participants after work rehabilitation
BMC Public Health, 15, 1082
DOI 10.1186/s12889-015-2408-8, PubMed 26498223
Maternal inheritance does not predict cholesterol levels in children with familial hypercholesterolemia
Atherosclerosis, 243 (1), 155-60
DOI 10.1016/j.atherosclerosis.2015.09.014, PubMed 26386212
Publications 2014
Farewell's Linear Increments Model for Missing Data: The FLIM Package
R Journal, 6 (2), 137-150
Accounting for individual differences and timing of events: estimating the effect of treatment on criminal convictions in heroin users
BMC Med Res Methodol, 14, 68
DOI 10.1186/1471-2288-14-68, PubMed 24886472
The effect of antibiotic prophylaxis guidelines on surgical-site infections associated with cesarean delivery
Int J Gynaecol Obstet, 128 (2), 126-30
DOI 10.1016/j.ijgo.2014.08.018, PubMed 25456970
Can we believe the DAGs? A comment on the relationship between causal DAGs and mechanisms
Stat Methods Med Res, 25 (5), 2294-2314
DOI 10.1177/0962280213520436, PubMed 24463886
Publications 2013
Counting pandemic deaths: comparing reported numbers of deaths from influenza A(H1N1)pdm09 with estimated excess mortality
Influenza Other Respir Viruses, 7 (6), 1370-9
DOI 10.1111/irv.12125, PubMed 23745605
Publications 2012
Estimating influenza-related sick leave in Norway: was work absenteeism higher during the 2009 A(H1N1) pandemic compared to seasonal epidemics?
Euro Surveill, 17 (33)
PubMed 22913978
Estimating influenza-related sick leave in Norway: Was work absenteeism higher during the 2009 A(H1N1) pandemic compared to seasonal epidemics?
Eurosurveillance, 17 (33), 20246-25
Causality, mediation and time: a dynamic viewpoint
J R Stat Soc Ser A Stat Soc, 175 (4), 831-861
DOI 10.1111/j.1467-985X.2011.01030.x, PubMed 23193356
Publications 2011
Bimodal distribution of polyunsaturated fatty acids in schizophrenia suggests two endophenotypes of the disorder
Biol Psychiatry, 70 (1), 97-105
DOI 10.1016/j.biopsych.2011.02.011, PubMed 21546001
Relative validity of fruit and vegetable intake estimated from an FFQ, using carotenoid and flavonoid biomarkers and the method of triads
Br J Nutr, 105 (10), 1530-8
DOI 10.1017/S0007114510005246, PubMed 21272408
Increase of regulatory T cells in ileal mucosa of untreated pediatric Crohn's disease patients
Scand J Gastroenterol, 46 (5), 550-60
DOI 10.3109/00365521.2011.551887, PubMed 21281255
Analyzing direct and indirect effects of treatment using dynamic path analysis applied to data from the Swiss HIV Cohort Study
Stat Med, 30 (24), 2947-58
DOI 10.1002/sim.4324, PubMed 21800346
Publications 2010
Estimating influenza-related excess mortality and reproduction numbers for seasonal influenza in Norway, 1975-2004
Epidemiol Infect, 138 (11), 1559-68
DOI 10.1017/S0950268810000671, PubMed 20334732
A sequential Cox approach for estimating the causal effect of treatment in the presence of time-dependent confounding applied to data from the Swiss HIV Cohort Study
Stat Med, 29 (26), 2757-68
DOI 10.1002/sim.4048, PubMed 20803557
Publications 2008
Growth rates in epidemic models: application to a model for HIV/AIDS progression
Stat Med, 27 (23), 4817-34
DOI 10.1002/sim.3219, PubMed 18288789
Left ventricular mechanical dispersion by tissue Doppler imaging: a novel approach for identifying high-risk individuals with long QT syndrome
Eur Heart J, 30 (3), 330-7
DOI 10.1093/eurheartj/ehn466, PubMed 18940888