Table 2 |
|||
|
Self-reported sleep duration, difficulty initiating sleeping, difficulty maintaining sleeping and risk of type 2 diabetes, 1999–2004, HIPOP-OHP, Japan |
|||
|
Self-reported sleep duration |
Age-adjusted Model* |
Model 1 † |
Model 2 ‡ |
|
|
|||
|
< 6 hours |
1.19 (0.81–1.76) |
1.15 (0.76–1.74) |
1.15 (0.76–1.74) |
|
6–7 hours |
1.00 |
1.00 |
1.00 |
|
7–8 hours |
1.24 (0.92–1.69) |
1.15 (0.84–1.59) |
1.15 (0.84–1.59) |
|
> 8 hours |
1.16 (0.72–1.87) |
1.02 (0.62–1.70) |
1.03 (0.62–1.70) |
|
P for trend |
0.549 |
0.933 |
0.723 |
|
|
|||
|
Self-reported difficulty initiating sleeping |
Age-adjusted Model* |
Model 1 § |
Model 2 ¶ |
|
|
|||
|
None |
1.00 |
1.00 |
1.00 |
|
Sometimes |
1.33 (1.00–1.76) |
1.39 (1.04–1.88) |
1.42 (1.05–1.91) |
|
Often |
1.65 (1.07–2.54) |
1.63 (1.04–2.59) |
1.61 (1.00–2.58) |
|
P for trend |
0.007 |
0.011 |
0.005 |
|
|
|||
|
Self-reported difficulty maintaining sleeping |
Age-adjusted Model* |
Model 1 § |
Model 2 ¶ |
|
|
|||
|
None |
1.00 |
1.00 |
1.00 |
|
Sometimes |
1.31 (0.99–1.73) |
1.31 (0.97–1.77) |
1.31 (0.97–1.76) |
|
Often |
1.38 (0.91–2.11) |
1.34 (0.86–2.01) |
1.37 (0.87–2.16) |
|
P for trend |
0.043 |
0.074 |
0.063 |
|
|
|||
|
* Adjusted for age at baseline (5 year increments) † Adjusted for age, gender, history of smoking, history of hypertension, history of high cholesterol, potential history of diabetes, exercise (MET-h/week) quartiles, and assigned intervention (health promotion) ‡ Adjusted for all variables in model 1 and BMI (kg/m2, quartiles) § Adjusted for age, gender, BMI (kg/m2, quartiles), history of smoking, history of hypertension, history of high cholesterol, potential history of diabetes, exercise (MET-h/week) quartiles, and assigned intervention (health promotion) ¶ Adjusted for all variables in model 1 and sleep duration categories |
|||
|
Hayashino et al. BMC Public Health 2007 7:129 doi:10.1186/1471-2458-7-129 |
|||
