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Table 1 Mean/median (SD/IQR) blood lipids of adolescents at age 18 by selected characteristics. The 1993 Pelotas (Brazil) Birth Cohort

From: Dietary patterns are associated with blood lipids at 18-year-olds: a cross-sectional analysis nested in the 1993 Pelotas (Brazil) birth cohort

   

Lipid profile (mg/dL)

Variable

n

%

Total cholesterol

LDL cholesterol

HDL cholesterol

Triglycerides

   

P value* mean (SD)

P value* mean (SD)

P value* mean (SD)

P value* median (IQR)

Sex

  

< 0.001

< 0.001

< 0.001

0.02

 Girls

1718

48.7

170.8 (29.4)

94.5 (20.3)

60.2 (10.9)

71 (58; 91)

 Boys

1806

51.3

152.8 (24.5)

84.4 (20.3)

51.7 (8.7)

68 (55; 89)

Skin coloura

  

< 0.001

< 0.001

0.032

< 0.001

 White

2199

64.8

163.2 (29.1)

90.2 (23.2)

56.3 (11.1)

71 (58; 95)

 Black/brown

1192

35.2

158.8 (27.5)

87.5 (22.1)

55.4 (10.2)

65 (54; 83)

Family income at birth (MMW)

< 0.001

0.007

< 0.001

< 0.001

  ≤ 2

2120

60.2

159.3 (28.0)

88.4 (22.8)

54.9 (10.3)

67 (56; 86)

 3–5

843

23.9

163.8 (27.8)

90.4 (21.6)

56.5 (11.1)

71 (58; 94)

  ≥ 6

561

15.9

166.9 (30.3)

91.4 (24.2)

58.3 (11.3)

76 (60; 102)

Maternal education at birth (years)b

< 0.001

0.034

< 0.001

< 0.001

  < 8

2129

60.5

159.6 (28.0)

88.7 (22.7)

54.7 (10.3)

68 (56; 88)

  ≥ 8

1389

39.5

164.5 (28.9)

90.3 (22.9)

57.5 (11.2)

72 (58; 96)

Smoking habit

  

< 0.001

0.008

< 0.001

0.530

 No

3045

86.4

162.5 (28.4)

89.7 (22.6)

56.7 (10.8)

70 (57; 92)

 Yes

479

13.6

155.7 (28.4)

86.8 (23.5)

52.7 (9.8)

69 (57; 89)

Leisure-time physical activity (min/week) < 0.001

< 0.001

< 0.001

0.008

  < 300

1418

40.2

165.3 (28.5)

91.4 (22.9)

57.2 (10.8)

71 (58; 95)

  ≥ 300

2106

59.8

159.2 (28.2)

87.9 (22.6)

54.9 (10.7)

68 (56; 88)

Age of menarche (years)c

0.003

0.028

0.003

0.025

  ≤ 11

475

27.8

174.2 (30.4)

96.6 (24.4)

61.4 (10.9)

73 (59; 97)

  ≥ 12

1236

72.2

169.6 (29.0)

93.8 (23.9)

59.7 (10.9)

70 (58; 90)

Body mass indexd

  

< 0.001

< 0.001

< 0.001

< 0.001

 Under/normal weight

2585

73.3

159.0 (27.8)

86.9 (21.9)

56.5 (10.7)

67 (55; 85)

 Overweight/obese

939

26.7

168.7 (29,0)

96.2 (23.8)

54.2 (10.7)

79 (61; 112)

Total N*

3524

100

161.6 (28.5)

89.3 (22.8)

55.8 (10.7)

69 (57; 91)

  1. *P values refer to comparisons of means (SD) or medians (IQR) between groups using Student t tests or Mann-Whitney U tests, ANOVA or Kruskal-Wallis tests, respectively. a133 missing values; b6 missing values; c7 missing values; dBMI for age and sex reference in z score: under/normal weight ≤ + 1 SD; overweight/obese: > + 1SD. Abbreviations: MMW monthly minimum wages, SD Standard deviation, IQR Interquartile range