Table 1 Baseline characteristics of participation, categorized by timing of night eating.

From: Night eating in timing, frequency, and food quality and risks of all-cause, cancer, and diabetes mortality: findings from national health and nutrition examination survey

Characteristics

Timing of night eating

No night eating

22:00 to 23:00

23:00 to 00:00

00:00 to 1:00

1:00 to 2:00

2:00 to 3:00

3:00 to 4:00

Participants, n

31362

6262

2354

588

417

375

386

Age (years)

48.97 ± 0.21

45.37 ± 0.35

41.76 ± 0.46

38.25 ± 0.75

39.41 ± 1.01

40.80 ± 1.01

44.31 ± 0.93

Female

16302 (52.0)

3014 (48.1)

1134 (48.2)

235 (40.0)

158 (37.9)

148 (39.5)

151 (39.1)

Race/ethnicity

 Mexican American

5471 (17.4)

895 (14.3)

321 (13.6)

70 (11.9)

44 (10.6)

41 (10.9)

53 (13.7)

 Non-Hispanic Black

5963 (19.0)

1522 (24.3)

725 (30.8)

170 (28.9)

124 (29.7)

119 (31.7)

102 (26.4)

 Non-Hispanic White

14541 (46.4)

2657 (42.4)

911 (38.7)

248 (42.2)

181 (43.4)

159 (42.4)

176 (45.6)

 Other Hispanic

2635 (8.4)

558 (8.9)

187 (7.9)

36 (6.1)

25 (6.0)

15 (4.0)

22 (5.7)

 Other

2752 (8.8)

630 (10.1)

210 (8.9)

64 (10.9)

43 (10.3)

41 (10.9)

33 (8.5)

Education

 Less than 9th grade

3922 (12.5)

538 (8.6)

164 (7.0)

31 (5.3)

21 (5.0)

16 (4.3)

24 (6.2)

 9-11th grade

4426 (14.1)

909 (14.5)

365 (15.5)

78 (13.3)

54 (12.9)

54 (14.4)

66 (17.1)

 College graduate or above

6956 (22.2)

1495 (23.9)

466 (19.8)

135 (23.0)

91 (21.8)

65 (17.3)

54 (14.0)

 High school graduate/GED or equivalent

7328 (23.4)

1416 (22.6)

537 (22.8)

117 (19.9)

94 (22.5)

123 (32.8)

114 (29.5)

 Some college or AA degree

8730 (27.8)

1904 (30.4)

822 (34.9)

227 (38.6)

157 (37.6)

117 (31.2)

128 (33.2)

Income

 $0 to $19,999

7052 (22.5)

1377 (22.0)

584 (24.8)

138 (23.5)

88 (21.1)

95 (25.3)

89 (23.1)

 $20,000 to $44,999

9949 (31.7)

1987 (31.7)

758 (32.2)

168 (28.6)

121 (29.0)

114 (30.4)

108 (28.0)

 $45,000 to $74,999

6270 (20.0)

1300 (20.8)

469 (19.9)

144 (24.5)

90 (21.6)

74 (19.7)

94 (24.4)

 $75,000 to $99,999

4240 (13.5)

803 (12.8)

304 (12.9)

85 (14.5)

68 (16.3)

49 (13.1)

56 (14.5)

 $100,000 and Over

3851 (12.3)

795 (12.7)

239 (10.2)

53 (9.0)

50 (12.0)

43 (11.5)

39 (10.1)

Smoking status

 Never smoker

17272 (55.1)

3300 (52.7)

1191 (50.6)

292 (49.7)

215 (51.6)

155 (41.3)

158 (40.9)

 Past smoker

8187 (26.1)

1474 (23.5)

467 (19.8)

102 (17.3)

79 (18.9)

76 (20.3)

91 (23.6)

 Current smoker

5903 (18.8)

1488 (23.8)

696 (29.6)

194 (33.0)

123 (29.5)

144 (38.4)

137 (35.5)

Drinking statusa

 Never drinker

4728 (15.1)

871 (13.9)

258 (11.0)

49 (8.3)

42 (10.1)

31 (8.3)

36 (9.3)

 Past drinker

5884 (18.8)

983 (15.7)

345 (14.7)

70 (11.9)

41 (9.8)

56 (14.9)

60 (15.5)

 Current drinker

20750 (66.2)

4408 (70.4)

1751 (74.4)

469 (79.8)

334 (80.1)

288 (76.8)

290 (75.1)

Body mass index (kg/m2)

28.85 ± 0.08

28.85 ± 0.13

29.00 ± 0.24

28.08 ± 0.39

27.68 ± 0.49

28.08 ± 0.45

29.49 ± 0.51

Physical activity (METs-h/week)

8.58 ± 0.07

8.67 ± 0.12

9.18 ± 0.19

9.10 ± 0.34

9.47 ± 0.42

9.45 ± 0.45

9.27 ± 0.47

Sleep hours (h/day)

7.13 ± 0.02

6.96 ± 0.03

7.10 ± 0.12

6.70 ± 0.09

6.96 ± 0.14

6.64 ± 0.12

6.56 ± 0.13

Dietary energy intake (kcal)

2015.49 ± 7.15

2220.85 ± 15.00

2274.07 ± 27.02

2548.01 ± 45.64

2595.00 ± 68.40

2586.35 ± 78.46

2412.60 ± 61.00

Adherence to HEI-2015 score

51.14 ± 0.18

50.12 ± 0.28

48.19 ± 0.40

49.55 ± 0.72

49.11 ± 0.85

48.47 ± 1.48

46.91 ± 0.86

Dietary supplement use (%)

11663 (37.2)

2077 (33.2)

633 (26.9)

146 (24.8)

132 (31.7)

108 (28.8)

118 (30.6)

Glycohemoglobin (%)

5.60 ± 0.01

5.59 ± 0.02

5.60 ± 0.02

5.49 ± 0.06

5.57 ± 0.06

5.47 ± 0.05

5.57 ± 0.06

Triglycerides (mmol/L)

1.73 ± 0.01

1.74 ± 0.03

1.64 ± 0.04

1.61 ± 0.06

1.68 ± 0.11

1.65 ± 0.10

1.93 ± 0.10

Fasting glucose (mmol/L)

5.89 ± 0.01

5.89 ± 0.03

5.94 ± 0.05

5.83 ± 0.10

5.84 ± 0.10

5.61 ± 0.07

5.80 ± 0.09

Total cholesterol (mmol/L)

5.11 ± 0.01

5.03 ± 0.02

5.00 ± 0.03

4.94 ± 0.06

5.03 ± 0.08

4.92 ± 0.11

5.14 ± 0.07

OGTT (mg/dL)

133.60 ± 0.64

130.59 ± 1.35

127.01 ± 1.81

123.16 ± 4.22

121.49 ± 4.06

112.02 ± 3.88

125.12 ± 4.10

Fasting time (h)

7.60 ± 0.06

7.23 ± 0.10

6.35 ± 0.13

7.47 ± 0.26

7.04 ± 0.35

6.88 ± 0.34

7.19 ± 0.31

Hyperlipidemia

22516 (71.8)

4196 (67.0)

1425 (60.5)

319 (54.3)

243 (58.3)

222 (59.2)

233 (60.4)

Hypertension

13437 (42.9)

2427 (38.8)

847 (36.0)

161 (27.4)

155 (37.2)

129 (34.4)

147 (38.1)

CVD

10698 (34.1)

1952 (31.2)

624 (26.5)

126 (21.4)

100 (24.0)

104 (27.7)

120 (31.1)

Diabetes

5870 (18.7)

1140 (18.2)

363 (15.4)

63 (10.7)

45 (10.8)

44 (11.7)

59 (15.3)

Cancer

3298 (10.5)

509 (8.1)

170 (7.2)

34 (5.8)

29 (7.0)

20 (5.3)

28 (7.3)

  1. HEI-2015 Healthy Eating Index 2015, CVD cardiovascular disease, METs-h metabolic equivalent hours, OGTT oral glucose tolerance test.
  2. aMild drinking: one drinking for female and two drinking for male; moderate drinking: two drinking for female and three drinking for male, or binge ≥2 & binge <5; heavy drinking: three drinking for female and four drinking for male, or binge ≥5. Continuous variables were adjusted for survey weights of NHANES. Categorical variables were unweighted.