Table 2 Supplement use by participant characteristics

Location (n = 637)^bc

East Coast

150 (60.7)

97 (39.3)

Ref

Ref

West Coast

313 (80.3)

77 (19.7)

2.62 (1.83, 3.75)***

1.88 (1.20, 2.93)**

Age (n = 628)

21–39

125 (66.1)

64 (33.9)

Ref

Ref

40–59

216 (71.8)

85 (28.2)

1.30 (0.9, 1.9)

1.37 (0.87, 2.16)

60-75

116 (84.1)

22 (15.9)

2.70 (1.56, 4.66)***

2.04 (1.12,3.70)*

Sex (n = 629)

Male

198 (63.9)

112 (36.1)

Ref

Ref

Female

264 (82.8)

55 (17.2)

2.72 (1.87, 3.94)***

2.48 (1.64, 3.74)***

BMI (n = 637)

Normal weight

218 (82.0)

48 (18.1)

Ref

Ref

Overweight

134 (65.4)

71 (34.6)

0.42 (0.27, 0.64)***

0.48 (0.30, 0.76)**

Obese

111 (66.9)

55 (33.1)

0.44 (0.28, 0.70)***

0.58 (0.35, 0.97)*

Physical activity (n = 620)

Yes

380 (75.7)

122 (24.3)

2.00 (1.30, 3.04)**

1.87 (1.18, 2.99)**

No

72 (61.0)

46 (39.0)

Ref

Ref

Alcohol use (n = 632)

Yes

314 (76.4)

97 (23.6)

1.60 (1.11, 2.29)*

1.31 (0.85, 2.00)

No

148 (67.0)

73 (33.0)

Ref

Ref

Tobacco use (n = 631)

Yes

43 (53.8)

37 (46.3)

0.37 (0.23, 0.60)***

0.48 (0.28, 0.84)*

No

418 (75.9)

133 (24.1)

Ref

Ref