Table 4.

Mean eGFR (ml/min per 1.73 m2) and 95% CIs, according to sleep quality

Overall Sleep Quality ScoreNMultivariate Adjusted Model 1aMultivariate Adjusted Model 2b
<3826596.4 (92.3 to 100.6)89.4 (85.1 to 93.8)
3–5263096.5 (92.4 to 100.6)89.6 (85.2 to 93.9)
>514593.6 (88.6 to 98.5)c87.3 (82.2 to 93.4)
P trend0.130.30
  • a Adjusted for age, sex, education level (primary, high school, or college), income level (<600 600–1000, or >1000 RMB/mo), occupation (white collar, blue collar, or coalminer), physical activity (never, <4, or ≥4 times/week), smoking status (never, past smoker, or current smoker), alcohol consumption (never, past drinker, or current drinker), myocardial infarction history (no, yes), stroke history (no, yes), cancer history (no, yes), hypertension (no, prehypertension, or hypertension), diabetes (no, prediabetes, or diabetes), use of sleep medication (no, yes), body mass index (<24, 24–28, or ≥28 kg/m2), triglyceride(<0.82, 0.82–1.22, 1.22–1.87, or ≥1.87 mmol/L), LDL (<1.76, 1.76–2.12, 2.12–2.65, or ≥2.65 mmol/L), and HDL (<1.31, 1.31–1.54, 1.54–1.79, or ≥1.79 mmol/L).

  • b Further adjusted for presence of proteinuria (yes/no).

  • c P<0.05, relative to overall sleep quality score <3.