Table 4.
Adjusted relationship between sleep duration and grip strength (newton)a.
| Sleep duration (h/d) | trend pb | |||
|---|---|---|---|---|
| < 7 | 7 - 8 | >8 | ||
| Men | ||||
| n. | 1675 | 3324 | 1252 | |
| Model 1c | 40.2 (39.9-40.6) | 41.8 (41.5-42.1)* | 41.4 (41.0-41.8)* | <0.001 |
| Model 2d | 40.1 (39.7-40.5) | 41.7 (41.4-41.9)* | 41.9 (41.4-42.5)* | <0.001 |
| Women | ||||
| n. | 1032 | 2147 | 695 | |
| Model 1c | 25.5 (25.2-25.7) | 25.6 (25.4-25.8) | 25.5 (25.2-25.8) | 0.989 |
| Model 2d | 25.4 (25.1-25.7) | 25.6 (25.4-25.7) | 25.7 (25.4-26.1) | 0.138 |
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 <7 hour sleep duration, p<0.05 (Bonferroni-corrected).