Table 2.

Linear regression analyses of free testosterone, lifestyle factors (N = 50)

Sr. No	Factors	Free Testosterone (ng/mL)
		Simple Regression		Multiple Regression
		Coefficient (ββ)	P-value	Coefficient (ββ)	P-value
1	Type of Diet
	Lacto-Vegan (Vegetarian)	-15.2	0.03	-10.5	0.05
	Eggetarian (Vegetarian consuming eggs and egg products)	8.5	0.12	5.2	0.15
	Non-Vegetarian	12.3	0.01	8.7	0.03
2	Type of Exercise/Sports
	Hypertrophy training / Strength training at the gym	25.6	0.001	20.3	0.001
	Cardiovascular exercise / Sport	10.4	0.04	8.5	0.04
	No exercise	-5.2	0.25	-3.2	0.3
3	Exercise Frequency
	Intense daily exercise + physical job/activity	30.1	0.001	25.6	0.001
	Moderately active	15.3	0.02	12.4	0.02
	Lightly active	5.6	0.1	4.5	0.12
	No exercise	-10.2	0.05	-8.2	0.05
4	Tea Consumption
	Daily	-8.7	0.03	-6.5	0.04
	Several times a week	-3.2	0.2	-2.1	0.25
	Rarely / Never	0	-	0	-
5	Carbonated Beverages/Soft Drinks
	Daily	-12.4	0.01	-10.2	0.01
	Several times a week	-5.6	0.08	-4.3	0.1
	Rarely / Never	0	-	0	-
6	Caffeine Intake
	Daily	-10.3	0.02	-8.4	0.03
	Several times a week	-4.1	0.15	-3.2	0.18
	Rarely / Never	0	-	0	-
7	Tobacco Use
	Daily	-18.5	0.001	-15.6	0.001
	Several times a week	-7.2	0.05	-6.3	0.05
	Rarely / Never	0	-	0	-
8	Soya-Based Product Consumption
	Daily	-14.2	0.01	-12.3	0.01
	Several times a week	-6.3	0.1	-5.2	0.12
	Rarely / Never	0	-	0	-
9	Junk Food Intake
	Daily	-16.8	0.001	-14.5	0.001
	Several times a week	-8.4	0.03	-7.2	0.04
	Rarely / Never	0	-	0	-
10	Dairy Product Consumption
	Daily	12.5	0.02	10.4	0.03
	Several times a week	6.3	0.1	5.1	0.12
	Rarely / Never	0	-	0	-
11	Sleep Duration
	Less than 6 h	-20.1	0.001	-18.2	0.001
	6 to 8 h	0	-	0	-
	More than 8 h	15.4	0.01	12.5	0.02
12	Sunlight Exposure
	Less than 20 min	-10.2	0.03	-8.4	0.04
	20 to 60 min	5.6	0.1	4.2	0.15
	More than 60 min	12.3	0.02	10.3	0.03
13	Supplement Use
	No	0	-	0	-
	Yes (any)	25.6	0.001	20.5	0.001