TABLE 3.
Meta‐regression analysis of influence of age on sleep parameters of day and night shift workers
| Sleep parameter | Model | β | SE2 | 95% CI | Z‐value | p |
|---|---|---|---|---|---|---|
| SE1 | Intercept | 0.73 | 0.68 | −0.59‐2.06 | 1.08 | 0.279 |
| Age | −0.02 | 0.02 | −0.06‐0.03 | −0.70 | 0.481 | |
| SOL | Intercept | 1.62 | 1.03 | −0.39‐3.62 | 1.58 | 0.115 |
| Age | −0.03 | 0.03 | −0.09‐0.03 | −1.00 | 0.315 | |
| WASO | Intercept | 0.19 | 0.79 | −1.36‐1.73 | 0.24 | 0.813 |
| Age | 0.01 | 0.03 | −0.04‐0.06 | 0.29 | 0.774 | |
| TST | Intercept | 2.01 | 1.54 | −1.02‐5.03 | 1.30 | 0.194 |
| Age | −0.04 | 0.05 | −0.12‐0.06 | −0.76 | 0.446 |
Abbreviations: β, Standardized beta; 95%CI, 95% Confidence interval; SE1, Sleep efficiency; SE2, Standard erroe; SOL, Sleep‐onset latency; TST, Total sleep time; WASO, Wake after sleep onset.