Table 2 Age-adjusted odds ratios (95% Confidence Intervals) for self-reported insomnia by educational level, employment status and household income level during different study periods between years 1979–2002, men
Age-adjusted model | Age + all SES variables | Age + all SES variables + depression | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
79-82 | 83-87 | 88-92 | 93-97 | 98-02 | 1979-20021 | 1979-20021 | 1979-20021 | ||||
OR | OR | OR | OR | OR | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
Educational level | |||||||||||
Highest | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||
Intermediate | 1.07 | 1.07 | 1.11 | 1.15 | 1.17 | 1.13 | 1.04-1.22 | 1.09 | 1.00-1.18 | 1.07 | 0.98-1.17 |
Lowest | 1.08 | 1.11 | 1.24 | 1.26 | 1.27 | 1.20 | 1.11-1.29 | 1.11 | 1.02-1.20 | 1.10 | 1.01-1.20 |
Interaction study period*educational level p = .964 | |||||||||||
Employment status | |||||||||||
Employed | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||
Student | 1.36 | 1.08 | 1.21 | 1.39 | 2.06 | 1.44 | 1.17-1.77 | 1.43 | 1.16-1.76 | 1.35 | 1.08-1.70 |
Retired | 2.74 | 2.54 | 2.09 | 2.06 | 1.72 | 2.18 | 1.99-2.39 | 2.16 | 1.96-2.38 | 1.73 | 1.56-1.92 |
Unemployed | 2.47 | 3.06 | 3.01 | 2.09 | 2.51 | 2.48 | 2.22-2.76 | 2.42 | 2.16-2.71 | 1.76 | 1.55-2.00 |
Interaction study period*employment status p = .009 | |||||||||||
Household income | |||||||||||
Highest | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||
2. highest | 0.99 | 1.04 | 0.76 | 0.96 | 1.03 | 0.95 | 0.87-1.04 | 0.89 | 0.81-0.98 | 0.87 | 0.79-0.96 |
Middle | 1.02 | 1.12 | 0.86 | 0.95 | 0.93 | 0.96 | 0.88-1.06 | 0.85 | 0.77-0.94 | 0.80 | 0.72-0.89 |
2. lowest | 1.02 | 0.98 | 1.03 | 0.89 | 0.98 | 0.98 | 0.90-1.08 | 0.81 | 0.73-0.89 | 0.75 | 0.68-0.83 |
Lowest | 1.30 | 1.39 | 1.13 | 1.35 | 1.55 | 1.34 | 1.23-1.46 | 0.98 | 0.89-1.08 | 0.89 | 0.80-0.99 |
Interaction study period*household income level p = .269 | |||||||||||