Table 3.
Stepwise multinomial logistic regression of potentially significant predictors of RTL including waist circumference as a marker for obesity with RTL
| RTL | |||||
|---|---|---|---|---|---|
| ≤1.060 | 1.060 - 1.432 | >1.432 | |||
| Variables | OR ( 95 % CI ) | P-value | OR ( 95 % CI ) | P-value | |
| Education - Intermediate school | 0.50 (0.28 - 0.89) | 0.02 | 1.22 (0.71 - 2.11) | 0.47 | Reference |
| Education - Secondary school/technical diploma | 0.84 (0.47 - 1.48) | 0.55 | 1.02 (0.57 - 1.83) | 0.95 | Reference |
| Education - University degree | 0.98 (0.45 - 2.11) | 0.96 | 0.99 (0.44 - 2.23) | 0.99 | Reference |
| Waist circumference -WC (cm) | 1.30 (1.11 - 1.52) | 0.001 | 1.17 (1.00 - 1.37) | 0.05 | Reference |
| Any Sleeping Difficulty - Rarely, sometimes, or frequently | 2.01 (1.11 - 3.62) | 0.02 | 1.04 (0.58 - 1.88) | 0.88 | Reference |
| Any Sleeping Difficulty - Almost always | 1.73 (0.97 - 3.08) | 0.06 | 1.55 (0.91 - 2.67) | 0.11 | Reference |
Age (reference: <40); Education (reference: No schooling/primary school); Waist circumference (per unit increase of 10); Any sleeping Difficulty (reference: Never). Body mass index -BMI was not included due to collinearity with WC.