Association of Dietary Glycemic Index, Glycemic Load, Insulin Index, and Insulin Load with Bacterial Vaginosis in Iranian Women: A Case-Control Study

Table 3

Adjusted odds ratio (OR) estimates and 95% confidence intervals (CIs) for bacterial vaginosis according to the tertile of carbohydrate indices.

Carbohydrate indices	Tertiles of carbohydrate indices			for trend
	1^st	2^nd	3^rd
Glycemic index
No. cases/no. controls	23/50	50/51	71/50
Base model^†	1.00 (ref.)	2.10 (1.12-3.95)	2.95 (1.59-5.46)	0.001
Full model ^‡	1.00 (ref.)	2.10 (1.02-4.31)	2.99 (1.47-6.08)	0.003
Glycemic load
No. cases/no. controls	42/50	36/51	66/50
Base model^†	1.00 (ref.)	0.85 (0.47-1.53)	1.55 (0.90-2.69)	0.102
Full model ^‡	1.00 (ref.)	1.12 (0.50-2.49)	4.01 (1.22-5.91)	0.029
Insulin index
No. cases/no. controls	49/50	53/51	42/50
Base model^†	1.00 (ref.)	0.95 (0.54-1.68)	0.81 (0.45-1.43)	0.465
Full model ^‡	1.00 (ref.)	0.78 (0.39-1.55)	0.76 (0.35-1.66)	0.496
Insulin load
No. cases/no. controls	46/50	43/51	55/50
Base model^†	1.00 (ref.)	0.94 (0.53-1.67)	1.17 (0.67-2.04)	0.579
Full model ^‡	1.00 (ref.)	0.87 (0.39-1.97)	0.83 (0.22-3.10)	0.769
Carbohydrate
No. cases/no. controls	47/50	43/51	54/50
Base model^†	1.00 (ref.)	0.93 (0.53-1.66)	1.16 (0.66-2.03)	0.594
Full model ^‡	1.00 (ref.)	1.03 (0.45-2.37)	1.46 (0.37-5.86)	0.640
Dietary fiber
No. cases/no. controls	56/50	68/51	19/50
Base model^†	1.00 (ref.)	1.24 (0.73-2.11)	0.36 (0.19-0.69)	0.007
Full model ^‡	1.00 (ref.)	0.72 (0.36-1.45)	0.22 (0.14-.33)	<0.001

Logistic regression model. ^†Adjusted for age. ^‡Adjusted for age, BMI (Kg/m²), WC (cm), cigarette smoker (yes, never, ex-smokers), energy intake (Kcal/d), fat intake (g/d), familial history of BV (yes/no), and physical activity (MET/h/d).