Fig. 3. Subgroup analyses of the association between dietary fiber intake and constipation (stool frequency) , according to clinical characteristics. Adjusted for gender, age, ethnicity, education, marital status, income-poverty ratio, body mass index (BMI), smoking, poor oral health, vitamin D deficiency, depression, diabetes, chronic disease, milk, total fat, carbohydrate, protein, total saturated fatty acids, cholesterol, alcohol, moisture, and physical activity, except for the subgroup variable.
Figure 3 shows interaction analyses stratified by gender, age, ethnicity, education, marital status, income-poverty ratio, BMI, moisture, total saturated fatty acids, and physical activity. More subgroup analyses of other variables are shown in
Supplementary Figure 2. *The model failed because of the small sample size.
