Table. 2.
Relationship between sleep disorders and other variables, including exposure to second-hand smoke and wealth index, OR (95 % CI for OR)
| Model 1a | Model 2b | |
|---|---|---|
| Smoking status | ||
| Unexposed | Ref | Ref |
| Secondhand | 1.29 (0.91,1.83) | 1.27 (0.88,1.84) |
| Mild active | 1.70 (1.37,2.10)c | 1.40 (1.10,1.78)c |
| Moderate active | 1.32 (0.80,2.16) | 0.87 (0.51,1.49) |
| Severe active | 3.60 (2.44,5.30)c | 1.78 (1.40,2.74)c |
| Sex | ||
| Female | Ref | Ref |
| Male | 2.68 (2.20,3.27)c | 2.65 (2.07,3.38)c |
| Age, year | 1.03 (1.02,1.05)c | 1.04 (1.02,1.05)c |
| Marital Status | ||
| Married | Ref | Ref |
| Single | 0.77 (0.60,1.00) | 1.21 (0.91,1.61) |
| Divorced or Widowed | 1.85 (1.11,3.08)c | 1.96 (1.12,3.40)c |
| Wealth index | ||
| Highest (richest) | Ref | Ref |
| High | 0.92 (0.68,1.24) | 0.98 (0.71,1.35) |
| Middle | 1.76 (0.87,1.58) | 1.05 (0.76,1.45) |
| Low | 1.42 (1.05,1.91)c | 1.14 (0.88,1.59) |
| Lowest (poorest) | 1.33 (0.98,1.79) | 1.01 (0.69,1.46) |
| Education Level | ||
| MSc, Ph.D., Post Doc | Ref | Ref |
| Illiterate or Primary | 0.72 (0.43,1.21) | 0.34 (0.18,0.63) |
| Intermediate | 2.05 (1.27,3.29)c | 1.11 (0.64,1.94) |
| Diploma | 1.94 (1.46,2.57)c | 1.20 (0.84,1.70) |
| Upper Diploma | 1.15 (0.80,1.65) | 0.94 (0.63,1.40) |
| Bachelor of Science | 0.89 (0.71,1.13) | 0.87 (0.68,1.13) |
aunivariate analysis
bmultiple (adjusted) analysis
cBold indicates p-value < 0.05