Research Article
Gender-Specific Longitudinal Association of Sleep Duration with Blood Pressure among Children: Evidence from CHNS 2004–2015
Table 2
The distribution of BP and sleep duration stratified by gender, converging all survey times.
| | | Boy (n = 1181) | Girl (n = 1010) | t/χ2 | |
| | Sleep duration | | | | | | Continuous | 9.08 (0.93) | 9.14 (0.94) | −1.31 | 0.190 | | Category | | | | | | <9 h | 327 (27.7) | 260 (25.7) | 1.05 | 0.305 | | ≥9 h | 854 (72.3) | 750 (74.3) | | | | Blood pressure | | | | | | SBP | 96.70 (12.63) | 95.32 (12.40) | 2.57 | 0.010 | | DBP | 64.00 (9.15) | 62.80 (9.18) | 3.04 | 0.002 | | Elevated BP | | | | | | Yes | 178 (15.1) | 120 (11.9) | 4.72 | 0.030 | | No | 1003 (84.9) | 890 (88.1) | | |
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