Odds ratio (OR) of inefficient sleep and their 95% confidence intervals for each factor and the daily dose adjusted for all other factors using GEE (exchange, QIC=6,297.93, QICC=6,275.83)
| 95% CI | |||||||
|---|---|---|---|---|---|---|---|
| Factor | Total | Inefficient sleep (<85%) | Crude OR | Adjusted OR | Lower | Upper | p-value |
| Daily dose group (× 10−5 mW) | |||||||
| ⩽1.79/1.80–1.99 | 1,943/186 | 11.8/3.8 | 4.51 | 4.54 | 3.33 | 6.20 | <0.01 |
| ⩾2.00/1.80–1.99 | 10,567/186 | 8.0/3.8 | 3.79 | 3.81 | 2.59 | 5.60 | <0.01 |
| 95% CI | |||||||
|---|---|---|---|---|---|---|---|
| Factor | Total | Inefficient sleep (<85%) | Crude OR | Adjusted OR | Lower | Upper | |
| ⩽1.79/1.80–1.99 | 1,943/186 | 11.8/3.8 | 4.51 | 4.54 | 3.33 | 6.20 | <0.01 |
| ⩾2.00/1.80–1.99 | 10,567/186 | 8.0/3.8 | 3.79 | 3.81 | 2.59 | 5.60 | <0.01 |
Note: Adjust by age, BMI, vision, anxiety, depression, bad hygiene sleep, coffee drink, headache, internet use, hands-free use, brand device, SOP