Table 3.
Adjusted relationship between sleep quality and grip strength (newton)a.
| Sleep quality | trend pb | |||
|---|---|---|---|---|
| Poor | Normal | Good | ||
| Men | ||||
| n. | 1090 | 3409 | 1752 | |
| Model 1c | 40.1 (39.7-40.6) | 41.3 (41.0-41.5)* | 42.1 (41.7-42.4)*,† | <0.001 |
| Model 2d | 40.1 (39.6-40.5) | 41.2 (40.9-41.4)* | 42.4 (42.0-42.7)*,† | <0.001 |
| Women | ||||
| n. | 755 | 2100 | 1019 | |
| Model 1c | 25.3 (25.0-25.6) | 25.6 (25.4-25.7) | 25.7 (25.4-26.0) | 0.030 |
| Model 2d | 25.2 (24.9-25.5) | 25.5 (25.3-25.7) | 25.9 (25.6-26.1)* | 0.001 |
a
Variables are expressed as estimated geometrics means (95% CI).
b
Obtained using ANCOVA.
c
Adjusted for body mass index and race.
d
Further adjusted for grade, physical activity, living status, smoking and drinking habits, breakfast, depressive symptoms and Hypnotic drug.
*
Significantly different to poor sleep quality, p<0.05 (Bonferroni-corrected).
†
Significantly different to normal sleep quality, p<0.05 (Bonferroni-corrected).