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Table 2 Predictors of life satisfaction using linear mixed models

From: Life satisfaction in Norwegian medical doctors: a 15-year longitudinal study of work-related predictors

Unadjusted Adjusted
  Model 1 (n = 633) Model 2 (n = 590)a
  b t 95% CI p-value b t 95% CI p-value b t 95% CI p-value
Block 1: Individual and lifestyle factors
 Age (continuous) − 0.02 −2.54 − 0.04– –0.005 0.011 −0.007 − 0.81 − 0.02–0.01 0.418 − 0.009 − 1.07 − 0.02–0.007 0.281
 Gender, female 0.03 0.68 −0.06–0.12 0.494 0.11 2.33 0.01–0.21 0.020 0.09 2.03 0.003–0.18 0.043
 Having children 0.12 3.21 0.05–0.20 0.001 0.01 0.35 −0.07–0.10 0.722     
 Married/cohabiting 0.31 6.94 0.22–0.40 < 0.001 0.33 6.44 0.23–0.44 < 0.001 0.46 9.16 0.36–0.56 < 0.001
 Perceived social support 0.02 7.78 0.01–0.02 < 0.001 0.01 3.10 0.004–0.01 0.002 0.02 4.52 0.01 − 0.03 < 0.001
 Physical activity 0.13 8.25 0.10–0.16 < 0.001 0.12 6.70 0.08–0.15 < 0.001 0.08 4.49 0.04–0.12 < 0.001
 Religious activity 0.05 1.25 –0.03–0.14 0.209       
 Use of alcohol to cope with tension −0.44 −7.94 −0.55– −0.33 < 0.001 –0.33 −5.45 − 0.46– –0.21 < 0.001 −0.24 −3.89 − 0.37– –0.12 < 0.001
 Hazardous drinking −0.26 −5.17 − 0.36– − 0.16 < 0.001 –0.16 −2.95 − 0.27– –0.05 0.003 − 0.16 −2.93 −0.27– –0.05 0.003
 Neuroticism −0.07 −6.89 −0.10– − 0.05 < 0.001 –0.05 − 4.76 − 0.08– –0.03 < 0.001 − 0.04 − 3.66 −0.06– –0.01 < 0.001
 Extraversion 0.04 4.03 0.02–0.06 < 0.001 0.02 2.39 0.004–0.04 0.017 0.01 1.31 −0.006–0.03 0.188
 Reality weakness −0.10 −6.46 −0.13– –0.07 < 0.001 − 0.05 −3.31 − 0.09– –0.02 0.001 − 0.03 −2.18 −0.06– –0.003 0.029
 Conscientiousness −0.01 −1.24 −0.04–0.009 0.214       
 Medical student cohort 0.11 2.46 0.02–0.21 0.014 0.10 2.05 0.004–0.20 0.041 −0.04 −0.79 −0.14–0.06 0.425
 Life events −0.12 −7.96 −0.14– – 0.09 < 0.001 − 0.07 −4.27 − 0.10– –0.03 < 0.001 − 0.08 − 4.77 −0.11– –0.04 < 0.001
Block 2: Contextual work-related factors
 Emotional pressure −0.30 −10.25 −0.36– –0.24 < 0.001      −0.07 −1.70 −0.16–0.01 0.089
 Time pressure −0.34 −13.85 −0.39– –0.29 < 0.001      0.006 0.16 −0.07–0.09 0.873
 Fear of complaints and criticism −0.22 −7.96 −0.28– –0.17 < 0.001      0.04 1.02 −0.03–0.11 0.305
 Work–home interference −0.29 −18.34 −0.32– –0.26 < 0.001      −0.20 − 8.67 − 0.25– –0.16 < 0.001
 Number of hours at work per week −0.004 −2.70 − 0.008– − 0.001 0.007      0.002 1.25 –0.001–0.006 0.210
 Number of hours asleep when on call −0.0007 − 0.18 − 0.008–0.007 0.851        
 Perceived job demands −0.24 −14.18 −0.27– –0.20 < 0.001      −0.10 −4.24 −0.15– –0.05 < 0.001
 Autonomy 0.08 3.73 0.04–0.13 < 0.001      −0.04 −1.58 −0.09–0.01 0.113
 Colleague support 0.08 12.30 0.07–0.09 < 0.001      0.05 7.02 0.04–0.07 < 0.001
  1. b = unstandardized regression coefficients; t = t value; CI = confidence interval
  2. aTime T2 was used as a reference in final Model 2 because most of the individual factors and all of the contextual and lifestyle factors were measured repeatedly at T2–T4