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Table 3 Hazard ratios (HR) for disability pension due to mental diagnoses, whole twin cohort

From: A prospective cohort study of disability pension due to mental diagnoses: the importance of health factors and behaviors

Self-rated health and health behaviors Whole twin cohort (N= 28 613) HR (95% CI)
Base model1 Model 22 Model 33 Full model4
Self-rated health
Good 1.00 1.00 1.00 -
Moderate 2.52 (2.08-3.07) 2.50 (2.03-3.07) 2.43 (1.97-3.00) -
Poor 6.61 (5.39-8.11) 6.34 (5.05-7.95) 5.87 (4.65-7.41) -
Leisure-time physical activity
High 1.03 (0.79-1.35) 1.03 (0.79-1.35) 1.03 (0.78-1.36) 1.10 (0.83-1.44)
Moderate 1.00 1.00 1.00 1.00
Low 1.48 (1.18-1.87) 1.40 (1.11-1.77) 1.25 (0.98-1.58) 1.06 (0.84-1.36)
Body mass index
Underweight 2.45 (1.50-3.98) 2.48 (1.52-4.05) 2.15 (1.32-3.52) 1.88 (1.15-3.06)
Normal weight 1.00 1.00 1.00 1.00
Overweight 1.25 (1.05-1.50) 1.26 (1.05-1.51) 1.28 (1.07-1.54) 1.24 (1.03-1.48)
Obesity 1.38 (1.03-1.84) 1.32 (0.99-1.77) 1.27 (0.95-1.71) 1.01 (0.75-1.37)
Tobacco use
Never tried 1.00 1.00   1.00
Former 1.59 (1.06-2.39) 1.58 (1.05-2.37) 1.74 (1.16-2.63) 1.70 (1.13-2.56)
Current occasional 1.10 (0.89-1.35) 1.07 (0.87-1.32) 1.09 (0.88-1.35) 1.08 (0.87-1.34)
Current regular 1.73 (1.41-2.12) 1.71 (1.39-2.11) 1.73 (1.38-2.16) 1.62 (1.29-2.03)
Alcohol consumption
Abstainer 2.40 (1.90–3.03) 2.31 (1.83–2.93) 2.23 (1.76-2.83) 1.99 (1.57–2.54)
Light frequent 1.00 1.00 1.00 1.00
Moderate frequent 1.25 (0.91-1.72) 1.22 (0.89-1.68) 1.11 (0.80-1.53) 1.07 (0.78-1.49)
Heavy frequent 1.12 (0.71-1.75) 1.04 (0.66-1.68) 0.95 (0.60-1.50) 0.98 (0.61-1.54)
Light infrequent 1.29 (0.82-2.04) 1.30 (0.82-2.06) 1.26 (0.79-2.00) 1.09 (0.69-1.73)
Moderate infrequent 1.25 (0.97-1.62) 1.26 (0.97-1.64) 1.30 (1.00-1.69) 1.18 (0.91-1.54)
Heavy infrequent 1.27 (0.98-1.66) 1.28 (0.98-1.66) 1.26 (0.97-1.65) 1.20 (0.92-1.57)
  1. 1. Adjusted for age (continuous) and sex.
  2. 2. Base model + education, marital status and severity of diseases.
  3. 3. Model 2 + health behaviors (BMI continuous).
  4. 4. Model 3 + SRH.