Accumulation* | n | Model 1† | Model 2a‡ | Model 2b§ | Model 2c¶ | Model 3** |
---|---|---|---|---|---|---|
0 period | 387 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
1 period | 292 | 1.71 (1.20 to 2.43) | 1.51 (1.05 to 2.18) | 1.54 (1.08 to 2.22) | 1.64 (1.15 to 2.35) | 1.36 (0.93 to 2.00) |
2 periods | 141 | 1.95 (1.27 to 2.99) | 1.61 (1.02 to 2.54) | 1.71 (1.10 to 2.67) | 1.79 (1.15 to 2.78) | 1.40 (0.87 to 2.26) |
3 periods | 35 | 4.13 (2.03 to 8.38) | 2.85 (1.34 to 6.08) | 3.19 (1.53 to 6.65) | 3.86 (1.89 to 7.92) | 2.31 (1.04 to 5.12) |
P for trend | <0.001 | 0.002 | <0.001 | <0.001 | 0.026 |
Data are OR (95% CI).
*Number of periods in the category with most frequent television viewing.
†Model 1: Crude.
‡Model 2a: Sex and pre-existing conditions: Body Mass Index at age 16 years and family history of diabetes.
§Model 2b: Life course health behaviours: accumulated periods of physical inactivity and smoking, snuff use and alcohol consumption assessed at ages 16, 21, 30 and 43 years, and intake of fruits and vegetables at age 43 years.
¶Model 2c: Life course socioeconomic status: socioeconomic disadvantage at age 16 years and <10 years of education at age 43 years.
**Model 3: Model 2a + model 2b + model 2c.