Table 3 Association of LDL-C with BMI, family history of hypercholesterolemia, and exercise among seventh graders (age 12-13 years)

BMI percentile

 < 50th

598

(86.7)

92

(13.3)

< 0.001

545

(82.5)

116

(17.5)

0.007

 50 - 74th

301

(87.0)

45

(13.0)

263

(79.7)

67

(20.3)

 75 - 84th

120

(87.6)

17

(12.4)

100

(75.8)

32

(24.2)

 85 - 94th

105

(76.1)

33

(23.9)

94

(71.2)

38

(28.8)

 ≥ 95th

42

(60.9)

27

(39.1)

46

(69.7)

20

(30.3)

Family history of

hypercholesterolemia

 No

1101

(84.7)

199

(15.3)

0.247

995

(79.9)

251

(20.1)

0.043

 Yes

65

(81.2)

15

(18.8)

53

(70.7)

22

(29.3)

Exercise

 Daily

945

(85.2)

164

(14.8)

0.054

616

(81.7)

138

(18.3)

0.100

 Sometimes

76

(78.4)

21

(21.6)

129

(77.7)

37

(22.3)

 None

89

(78.8)

24

(21.2)

269

(76.4)

83

(23.6)