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Table 2 Average number of beverages and volume consumed, according to the Beverage Frequency Questionnaire (BFQ) and 7-day food record (7dFR)

From: Evaluation of the online Beverage Frequency Questionnaire (BFQ)

Beverage category Mean # of drinks (s. e.) rp # of drinks p-value Mean total volume in ml (s. e.) Mean volume difference between BFQ and Record (s. e.) rp total volume p-value t-test for total volume p-value
7dFR BFQ 7dFR BFQ
1. Regular soda or pop 0.78 (0.27) 0.86 (0.26) 0.58 < 0.001 277 (99) 388 (133) + 298 (112) 0.51 < 0.001 −0.93 0.36
2. Diet soda or pop 0.00 0.06 (0.0) < 0.001 0 (0) 21 (21) 21 (21)   −1.00 0.32
3. 100% fruit/vegetable juice 2.00 (0.46) 1.88 (0.45) 0.56 < 0.001 506 (117) 494 (115) 387 (104) 0.48 < 0.001 0.10 0.92
4. Fruit drinks with added sugars 1.06 (0.34) 0.52 (0.18) 0.46 < 0.001 359 (94) 154 (57) 295 (72) 0.56 < 0.001 2.62 0.01
5. Flavoured water/vitamin water with calories 0.08 (0.48) 0.06 (0.04) 0.91 < 0.001 37 (23) 35 (26) 13 (8) 0.95 < 0.001 0.20 0.84
6. Sports drinks 0.12 (0.06) 0.22 (0.10) 0.60 < 0.001 82 (46) 124 (56) 63 (31) 0.82 < 0.001 −1.33 0.19
7. Energy drinks 0.12 (0.07) 0.12 (0.06) 0.91 < 0.001 51 (29) 57 (29) 23 (13) 0.89   −0.40 0.69
8. Calorie-free drinks 0.00 0.02 (0.02) < 0.001 0 (0) 12 (12) 12 (12)   −1.00 0.32
9. Unsweetened milk or alternatives 1.60 (0.45) 2.08 (0.56) 0.47 < 0.001 478 (135) 640 (233) 469 (178) 0.59 < 0.001 −0.86 0.39
10. Chocolate or sweetened milk and alternatives 0.90 (0.27) 0.88 (0.37) 0.58 < 0.001 336 (109) 255 (112) 311 (103) 0.49 < 0.001 0.73 0.47
11. Coffee/tea with cream or sugar 2.32 (0.56) 2.06 (0.39) 0.20 0.1 833 (223) 517 (135) 747 (225) 0.13 0.37 1.29 0.20
12. Coffee/tea no cream or sugar 1.66 (0.48) 1.74 (0.61) 0.65 < 0.001 570 (197) 729 (282) 588 (165) 0.76 < 0.001 −0.87 0.39
13. Specialty coffee 0.54 (0.16) 0.36 (0.14) 0.23 0.11 211 (64) 116 (43) 208 (62) 0.26 0.07 1.41 0.16
14. Beer/cider/coolers 0.58 (0.21) 0.60 (0.20) 0.92 < 0.001 271 (106) 250 (78) 143 (50) 0.87 < 0.001 0.40 0.69
15. Wine 0.10 (0.06) 0.12 (0.07) 0.60 < 0.001 58 (42) 29 (18) 57 (36) 0.50 < 0.001 0.82 0.42
16. Hard alcohol with caloric mix 0.16 (0.09) 0.28 (0.13) 0.18 < 0.001 56 (33) 70 (31) 40 (21) 0.78 < 0.001 −0.64 0.53
17. Hard alcohol no mix or non-caloric mix 0.30 (0.19) 0.24 (0.14) 0.18 0.23 9 (11) 13 (8) 24 (12) 0.16 0.25 0.51 0.61
Sugar-sweetened beveragesa 2.70 (0.51) 2.14 (0.40) 0.53 < 0.001 1017 (183) 875 (173) 634 (147) 0.54 < 0.001 0.82 0.41
Sugary drinksb 8.08 (1.18) 7.24 (0.94) 0.63 < 0.001 2749 (392) 2211 (316) 1368 (291) 0.55 < 0.001 1.57 0.12
All alcoholic drinks 1.14 (0.31) 1.24 (0.34) 0.58 < 0.001 405 (120) 361 (96) 44 (76) 0.78 < 0.001 0.58 0.57
All drinks 12.32 (1.40) 12.10 (1.20) 0.62 < 0.001 4145 (484) 3904 (463) 241 (428) 0.59 < 0.001 0.56 0.57
  1. aIncludes: regular soda or pop; sweetened fruit drinks; flavoured waters or vitamin waters with calories; sports drinks; energy drinks; and specialty coffees
  2. bIncludes: regular soda or pop; sweetened fruit drinks; flavoured waters or vitamin waters with calories; sports drinks; energy drinks; specialty coffees; 100% fruit or vegetable juice; chocolate milk; regular coffee with cream or sugar; and hard alcohol with mix or cocktails that had calorie