Table 4.
Results of stratified analyses for the association between night sleep duration and ICH scores.
| Interaction term | Night sleep duration [increased ICH scores (95%CI)] | |||
|---|---|---|---|---|
| <6 | 6 to <7 | 7 to <9 | ≥9 | |
| Gender | ||||
| Men | −0.118 (−0.204, −0.033) | −0.025 (−0.082, 0.033) | [Reference] | −0.073 (−0.114, −0.001) |
| Women | −0.020 (−0.087, 0.047) | 0.002 (−0.042, 0.045) | [Reference] | −0.087 (−0.138, −0.036) |
| Age | ||||
| <40 | −0.184 (−0.381, 0.012) | −0.147 (−0.255, −0.040) | [Reference] | −0.059 (−0.183, 0.064) |
| 40–60 | −0.094 (−0.168, −0.020) | −0.020 (−0.069, 0.030) | [Reference] | −0.077 (−0.148, −0.005) |
| ≥60 | 0.004 (−0.082, 0.090) | 0.007 (−0.051, 0.064) | [Reference] | −0.115 (−0.174, −0.057) |
| Income | ||||
| <500 | −0.046 (−0.138, 0.046) | −0.022 (−0.083, 0.039) | [Reference] | −0.124 (−0.191, −0.058) |
| 500 | −0.137 (−0.232, −0.042) | −0.017 (−0.078, 0.044) | [Reference] | −0.081 (−0.156, −0.005) |
| 1,000 | −0.064 (−0.158, 0.031) | −0.056 (−0.119, 0.007) | [Reference] | −0.043 (−0.127, 0.040) |
| Education level | ||||
| Primary school or illiteracy | −0.017 (−0.072, 0.039) | −0.016 (−0.107, 0.076) | [Reference] | −0.098 (−0.170, −0.026) |
| Junior high school | −0.100 (−0.185, −0.015) | −0.073 (−0.128, −0.018) | [Reference] | −0.133 (−0.208, −0.058) |
| High school or above | −0.249 (−0.393, −0.105) | −0.031 (−0.119, 0.056) | [Reference] | 0.052 (−0.081, 0.185) |
| Drinking | ||||
| No drinking | −0.068 (−0.131, −0.006) | −0.027 (−0.067, 0.013) | [Reference] | −0.094 (−0.141, −0.047) |
| Current drinking | −0.096 (−0.204, 0.012) | −0.039 (−0.115, 0.038) | [Reference] | −0.048 (−0.147, 0.051) |
Income, per capita monthly income; RMB per month; ICH, Ideal cardiovascular health.