Odds ratio (OR) of nocturnal headache and their 95% confidence intervals for lag dose adjusted for all other factors using GEE
| 95% CI | |||||||
|---|---|---|---|---|---|---|---|
| Parameter | Exp. (B) | Lower | Upper | p-value | Correlation structure | QIC | QICC |
| Nocturnal headache | |||||||
| Lag_1 | 7.415E-51 | 1.122E-100 | 0.490 | 0.05 | Exchangeable | 921.611 | 913.392 |
| Lag_4 | 7.608E-38 | 9.118E-73 | 0.006 | 0.04 | Exchangeable | 921.819 | 914.458 |
| Lag_6 | 7.335E-40 | 2.899E-82 | 1,855.887 | 0.07 | |||
| Lag_6 | 1.032E-39 | 9.147E-74 | 1.165E-05 | 0.03 | Exchangeable | 921.492 | 914.215 |
| Lag_2 (12–18 p.m.) | 5.184 | 3.441 | 7.809 | <0.01 | AR1 | 899.919 | 895.279 |
| 95% CI | |||||||
|---|---|---|---|---|---|---|---|
| Parameter | Exp. ( | Lower | Upper | Correlation structure | QIC | QICC | |
| Lag_1 | 7.415E-51 | 1.122E-100 | 0.490 | 0.05 | Exchangeable | 921.611 | 913.392 |
| Lag_4 | 7.608E-38 | 9.118E-73 | 0.006 | 0.04 | Exchangeable | 921.819 | 914.458 |
| Lag_6 | 7.335E-40 | 2.899E-82 | 1,855.887 | 0.07 | |||
| Lag_6 | 1.032E-39 | 9.147E-74 | 1.165E-05 | 0.03 | Exchangeable | 921.492 | 914.215 |
| Lag_2 (12–18 p.m.) | 5.184 | 3.441 | 7.809 | <0.01 | AR1 | 899.919 | 895.279 |
Note: Adjust by age, BMI, vision, anxiety, depression, PSQI, internet use, hand free use, brand device and SOP
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