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Table 2 Demographic characteristics of subjects grouped by frequency of meal-related abdominal pain

From: Global prevalence and burden of meal-related abdominal pain

Demographic

Frequency of meal-related abdominal pain

No (n = 9756)

Occasional (n = 12,377)

Frequent (n = 5932)

Gender

 Female

57.2 (56.2, 58.2)

54.6 (53.7, 55.5)

58.8 (57.6, 60.1)

 Male

42.8 (41.8, 43.8)

45.4 (44.5, 46.3)

41.2 (57.6, 60.1)

Age groups (years)

 18–29

24.8 (23.9, 25.7)

28.2 (27.4, 29.0)

31.1 (29.9, 32.3)

 30–44

31.5 (30.6, 32.4)

34.7 (33.9, 35.6)

36.5 (35.2, 37.7)

 45–59

23.5 (22.6, 24.3)

22.8 (22.0, 23.5)

21.8 (20.7, 22.9)

 60–74

19.0 (18.2, 19.8)

13.4 (12.8, 14.0)

10.2 (9.4, 11.0)

 75–100

1.2 (1.0, 1.4)

1.0 (0.8, 1.2)

0.5 (0.4, 0.8)

BMI groups (kg/m2)

 Underweighta

5.1 (4.6, 5.6)

5.4 (5.0, 5.9)

6.0 (5.4, 6.7)

 Normal weightb

46.7 (45.6, 47.7)

49.4 (48.5, 50.3)

47.1 (45.8, 48.5)

 Overweightc

29.9 (29.0, 30.9)

28.6 (27.8, 29.5)

27.7 (26.5, 28.9)

 Obese Id

11.8 (11.1, 12.5)

10.8 (10.2, 11.4)

12.3 (11.5, 13.3)

 Obese IIe

4.4 (4.0, 4.8)

3.6 (3.3, 4.0)

4.4 (3.8, 5.0)

 Obese IIIf

2.1 (1.8, 2.4)

2.2 (1.9, 2.4)

2.4 (2.0, 2.9)

Education levels (years)

 0–7

9.6 (9.0, 10.2)

9.9 (9.4, 10.5)

11.1 (10.3, 12.0)

 8–14

50.4 (49.4, 51.4)

48.1 (47.2, 49.0)

46.3 (45.0, 47.6)

 15–40

40.0 (39.0, 41.0)

42.0 (41.1, 42.9)

42.5 (41.2, 43.8)

  1. The proportion of subjects with a specific demographic characteristic in groups “no,” “occasional,” and “frequent” meal-related abdominal pain was determined within each group. “No”: abdominal pain 0% of the time meal-related; “occasional”: abdominal pain 10–40% of the time meal-related; “Frequent”: abdominal pain ≥ 50% of the time meal-related. Data are presented as percentage (95% confidence interval)
  2. aBMI < 18.5 kg/m2, b18.5 kg/m2 < BMI < 24.9 kg/m2, c25 kg/m2 < BMI < 29.9 kg/m2, d30 kg/m2 < BMI < 34.9 kg/m2, e35 kg/m2 < BMI < 39.9 kg/m2, fBMI >40 kg/m2