Table 2 Subgroup analysis of the association between CMI and sleep quality.

From: Association of cardiometabolic index with sleep quality in adults: a population‑based study

Subgroup

Trouble sleeping, OR (95% CI)

P for interaction

Sleep disorder, OR (95% CI)

P for interaction

Sleep duration, β (95% CI)

P for interaction

Gender

 

0.591

 

0.295

 

0.259

 Male

1.55 (1.21, 1.99)

 

1.93 (1.40, 2.65)

 

− 0.16 (− 0.31, − 0.02)

 

 Female

1.49 (1.11, 2.00)

 

1.74 (1.21, 2.49)

 

− 0.11 (− 0.28, 0.06)

 

Age (year)

 

0.170

 

0.010

 

0.413

 Age < 50

1. 50 (1.17, 1.93)

 

1.79 (1.31, 2.46)

 

− 0.16 (− 0.30, − 0.01)

 

 Age ≥ 50

1.68 (1.27, 2.20)

 

2.30 (1.62, 3.27)

 

− 0.20 (− 0.35, − 0.04)

 

Hypertension

 

0.077

 

0.283

 

0.226

 Yes

1.58 (1.22, 2.04)

 

1.90 (1.39, 2.59)

 

− 0.17 (− 0.31, − 0.03)

 

 No

1.36 (1.02, 1.83)

 

2.11 (1.47, 3.03)

 

− 0.23 (− 0.40, − 0.05)

 

Diabetes

 

0.893

 

0.828

 

0.437

 Yes

1.54 (1.15, 2.06)

 

1.87 (1.32, 2.65)

 

− 0.20 (− 0.37, − 0.03)

 

 No

1.56 (1.22, 1.99)

 

1.92 (1.39, 2.66)

 

− 0.17 (− 0.31, − 0.02)

 

CVD history

 

0.752

 

0.065

 

< 0.001

 Yes

1.85 (1.30, 2.64)

 

1.38 (1.05, 1.80)

 

0.04 (− 0.13, 0.20)

 

 No

1.92 (1.39, 2.64)

 

1.66 (1.29, 2.15)

 

− 0.26 (− 0.40, − 0.11)

 
  1. OR odds ratio, β mean difference, CI confidence intervals.
  2. Age, gender, race, education level, maritial status, PIR, drinking, smoking, hypertension, diabetes, TG, LDL-C, HDL-C, CVD history, moderate work activity were adjusted.
  3. PIR the ratio of income to poverty, Q quartile, TG Triglyceride, LDL-C Low density lipoprotein cholesterol, HDL-C High density lipoprotein cholesterol, CVD Cardiovascular disease.
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