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Table 1 Characteristics of subjects in each age category. Data shown are the mean and SD or the percentage of subjects within each age category with the indicated characteristic

From: Association of meal timing with dietary quality in a Serbian population sample

Age category

Number a

Age, years (mean and SD)

Serbian ethnicity b

(n, %)

Female

(n, %)

Current Smoker

(n, %)

Overweight or Obese b

(n, %)

Post-secondary education c

(n, %)

Employed

(n, %)

Student

(n, %)

10–17

74

14 (2)

66 (92%)

37 (50%)

4 (6%)

5 (7%)

0

0

67 (92%)

18–29

75

25 (3)

72 (97%)

40 (53%)

26 (35%)

20 (27%)

43 (59%)

38 (51%)

26 (35%)

30–47

73

38 (6)

64 (89%)

40 (55%)

24 (35%)

29 (41%)

50 (70%)

62 (87%)

2 (3%)

48–64

73

55 (4)

67 (93%)

43 (59%)

25 (35%)

43 (59%)

44 (61%)

50 (69%)

0

65–74

39

69 (3)

32 (82%)

19 (49%)

7 (19%)

26 (70%)

18 (46%)

3 (8%)

0

All

334

37 (19)

301 (92%)

179 (54%)

86 (27%)

123 (38%)

155 (48%)

153 (46%)

95 (29%)

  1. a A small portion of subjects had missing data for one or more factors: n = 14 for smoking status, n = 7 for body mass index, n = 12 for education, n = 4 for employment status and n = 5 for ethnicity. The percentages shown in each column are for subjects who had valid data for that category
  2. b The proportion of subjects differed across the four adult age categories for the indicated variables, as determined by Pearson Chi square tests. These tests evaluated differences in ethnicity, smoking, and overweight/obesity by adult age category, and both ethnicity and overweight/obesity prevalence differed by adult age category (p = 0.04 for ethnicity and p < 0.001 for overweight/obesity)
  3. c Post-secondary education includes individuals who completed at least some college or technical training beyond high school (International Standard Classification of Education 4). In the total population above age 18, only 8% did not finish high school (International Standard Classification of Education 0, 1 or 2)