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. 2019 Jan 23;364:k5420. doi: 10.1136/bmj.k5420

Table 1.

Demographic characteristics according to frequency of baseline total fried food consumption. Data are percentages or mean (standard deviation) unless indicated otherwise

Variables Frequency of total fried food consumption P
None (n=15 166) <1 serving/week (n=38 482) 1-2 servings/week (n=33 210) 3-6 servings/week (n=15 480) ≥1 serving/day (n=4628)
Age at baseline (years) 64.9 (7.3) 64.3 (7.3) 63.1 (7.3) 62.4 (7.2) 61.3 (7.3) <0.001
Race/ethnicity:
 White 90.5 87.9 82.2 77.1 68.5 <0.001



 Black 4.4 5.5 8.5 11.3 17.2
 Hispanic 2.4 3.0 4.2 5.7 7.7
 Others 2.5 3.3 5.0 5.8 6.5
 Missing 0.3 0.3 0.2 0.2 0.2
Education:
 High school or less 24.6 28.8 34.2 38.8 44.9 <0.001



 Some college 25.2 27.0 27.2 26.9 25.4
 College 12.8 11.7 10.7 9.9 8.8
 Postgraduate 36.7 31.8 27.2 23.4 19.9
 Missing 0.7 0.8 0.8 0.9 1.0
Annual income:
 <20 000 13.6 14.5 15.5 18.2 21.6 <0.001


 20 000-49 999 38.1 40.7 42.7 42.4 43.1
 >50 000 40.5 38.0 35.0 32.4 28.1
 Missing 7.9 6.8 6.8 6.9 7.3
WHI component:
 Clinical trial 13.7 15.7 17.9 19.8 20.6 <0.001
 Observational study 86.3 84.3 82.2 80.2 79.4
Unopposed estrogen use:
 Never used 67.1 64.5 64.0 65.9 66.8 <0.001

 Past user 13.0 13.7 13.6 13.1 12.8
 Current user 20.0 21.8 22.4 21.0 20.4
Estrogen+progesterone use:
 Never used 73.4 72.7 74.4 76.1 78.9 <0.001

 Past user 8.6 9.1 8.7 8.7 6.7
 Current user 18.0 18.2 16.9 15.3 14.5
Smoking status:
 Never 48.9 50.2 50.6 49.6 47.8 <0.001


 Past 45.7 42.7 40.4 39.7 40.3
 Current 4.0 5.6 7.6 9.5 10.8
 Missing 1.3 1.4 1.4 1.3 1.2
Physical activity (MET-h/week):
 <10 36.3 45.2 53.5 59.8 64.7 <0.001

 ≥10 61.9 52.8 44.2 38.0 33.1
 Missing 1.9 2.0 2.3 2.2 2.3
Alcohol intake:
 Non-drinker 42.0 38.8 39.6 42.7 48.3 <0.001

 Moderate 45.1 47.8 46.9 43.5 39.6
 Heavy 12.9 12.4 13.4 13.7 12.1
Coffee intake (medium serving/day) 2.1 (1.7) 2.0 (1.7) 2.1 (1.8) 2.2 (1.9) 2.4 (2.2) <0.001
Total energy intake (kcal/day)* 1377.1 (470.6) 1401.4 (485.6) 1593.7 (551.0) 1906.2 (644.3) 2470.4 (834.7) <0.001
AHEI 2010 score 55.7 (10.6) 51.1 (10.5) 47.1 (10.2) 44.4 (10.3) 42.7 (10.4) <0.001
Baseline diabetes 4.5 4.9 5.8 7.3 9.7 <0.001
Baseline cardiovascular disease 7.0 6.3 6.3 5.8 6.1 <0.001
Baseline cancer 1.5 1.5 1.5 1.6 1.3 0.73
Body mass index:
 <25.0 49.6 43.3 35.3 29.2 23.9 <0.001


 25.0-29.9 31.9 34.4 34.8 34.0 30.6
 ≥30 17.3 21.2 29.0 35.8 44.3
 Missing 1.2 1.1 1.0 1.0 1.3
Dietary carbohydrate (%E) 58.7 (9.6) 54.5 (9.1) 50.2 (8.6) 47.2 (8.3) 45.0 (8.0) <0.001
Dietary total fat (%E) 23.6 (7.5) 27.9 (7.5) 32.5 (7.4) 36.0 (7.3) 39.0 (7.0) <0.001
Dietary total protein (%E) 17.8 (3.6) 17.1 (3.3) 16.7 (3.1) 16.2 (3.0) 15.7 (3.1) <0.001
Vegetables (servings/day) 2.9 (1.5) 2.5 (1.4) 2.3 (1.3) 2.3 (1.3) 2.5 (1.4) <0.001
Fruits (servings/day) 3.1 (1.9) 2.5 (1.8) 2.1 (1.7) 1.9 (1.6) 1.7 (1.6) <0.001
Whole grains (g/day) 41.0 (31.9) 35.0 (28.0) 32.9 (27.5) 32.8 (27.9) 35.0 (30.0) <0.001
SSBs (servings/day) 0.7 (0.8) 0.8 (0.8) 0.9 (0.9) 1.0 (1.0) 1.2 (1.4) <0.001
Nuts and legumes (servings/day) 0.2 (0.3) 0.2 (0.3) 0.2 (0.3) 0.3 (0.3) 0.4 (0.4) <0.001
Red and processed meat (servings/day) 0.7 (0.7) 0.9 (0.8) 1.3 (0.9) 1.7 (1.2) 2.3 (1.6) <0.001
Trans fat (%E) 1.4 (0.9) 1.8 (1.0) 2.3 (1.0) 2.7 (1.1) 3.0 (1.0) <0.001
EPA+DHA (mg/day) 141.2 (151.2) 115.6 (117.9) 118.7 (106.2) 136.1 (126.7) 175.8 (200.1) <0.001
PUFA (%E) 5.2 (1.9) 5.9 (2.0) 6.7 (2.0) 7.5 (2.0) 8.3 (2.1) <0.001
Sodium (g/day) 2.4 (1.0) 2.4 (0.9) 2.7 (1.0) 3.2 (1.2) 4.1 (1.6) <0.001
Alcohol (drinks/day) 0.4(0.8) 0.4(0.8) 0.4(0.8) 0.4(0.9) 0.4(1.0) 0.14

AHEI=alternative healthy eating index; DHA=docosahexaenoic acid; EPA=eicosapentaenoic acid; MET=metabolic equivalent; PUFA=polyunsaturated fatty acid; SD=standard deviation; SSB=sugar-sweetened beverage; WHI=Women’s Health Initiative, %E=percentage of energy.

*

1 kcal=4.18 kJ=0.00418 MJ.