Table 4 Subgroup analysis to evaluate the relationship between RFM and gallstone prevalence in different populations.

From: Association between relative fat mass and risk of gallstones in adults

Characteristic

Model 1 OR (95%CI)

Model 2 OR (95%CI)

Model 3 OR (95%CI)

Stratified by age (years)

20–39

1.13 (1.10–1.16)

1.12 (1.09–1.16)

1.11 (1.07–1.15)

40–59

1.10 (1.08–1.12)

1.12 (1.09–1.15)

1.10 (1.07–1.14)

60–80

1.06 (1.05–1.08)

1.08 (1.05–1.11)

1.06 (1.03–1.09)

Stratified by gender

Male

1.09 (1.06–1.12)

1.08 (1.04–1.11)

1.06 (1.02–1.09)

Female

1.12 (1.10–1.14)

1.12 (1.10–1.14)

1.11 (1.09–1.13)

Stratified by race

Non-Hispanic White

1.10 (1.08–1.12)

1.12 (1.09–1.14)

1.10 (1.08–1.13)

Non-Hispanic Black

1.08 (1.06–1.10)

1.09 (1.06–1.13)

1.08 (1.04–1.12)

Mexican American

1.10 (1.08–1.12)

1.08 (1.04–1.13)

1.08 (1.04–1.12)

Other Race

1.08 (1.05–1.11)

1.14 (1.09–1.19)

1.12 (1.06–1.17)

Stratified by hypertension

No

1.10 (1.08–1.11)

1.10 (1.08–1.13)

1.10 (1.07–1.12)

Yes

1.07 (1.06–1.09)

1.10 (1.07–1.12)

1.08 (1.06–1.11)

Stratified by diabetes

No

1.09 (1.08–1.10)

1.10 (1.08–1.12)

1.10 (1.08–1.12)

Yes

1.07 (1.05–1.09)

1.08 (1.04–1.12)

1.06 (1.02–1.11)

  1. Model 1 = no covariates were adjusted.
  2. Model 2 = Model 1 + age, gender, race, and marital status were adjusted.
  3. Model 3 = Model 2 + education level, physical activity, smoked status, alcohol use, diabetes, hypertension, asthma, cancers, coronary heart disease, total cholesterol, triglyceride, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, alanine aminotransferase, aspartate aminotransferase, haemoglobin A1c, ferritin, poverty income ratio, total kcal, total fat, and total sugar were adjusted.
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