Table 2 Validity of self-reported MS (Pearson's chi-square) according to relevant variables and ATP-III and IDF criteria

Total

100 (n = 172)

91.2 (80.7- 97.1)

92.2 (85.7-96.4)

100 (n = 62)

100 (87.2- 100)

97.1 (85.1- 99.9)

Men

59.9

91.3 (79.2-97.6)

<0.00 1

84.2 (72.1- 92.5)

<0.001

59.7

100 (83.2-100)

<0.001

100 (80.5-100)

<0.001

Women

40.1

90.9 (58.7-99.8)

100 (93.8-100)

40.3

100 (59.0-100)

94.4 (72.7-99.8)

Age (years)

≤40

26.7

80.0 (28.4-99.5)

100 (91.4-100)

35.5

100 (39.8-100)

100 (81.5-100)

41-55

30.2

78.6 (49.2- 95.3)

<0.001

97.4 (86.2- 99.9)

<0.001

27.5

100 (54.1-100)

<0.001

100 (71.5-100)

<0.001

>55

43.1

97.4 (86.2-99.9)

77.8 (60.8-89.9)

37

100 (80.5-100)

83.3 (35.9-99.6)

BMI (kg/m²)

<30

82

89.2 (85.6- 91.9)

<0.001

96.2 (93.6- 96.4)

<0.001

66.1

100 (71.5- 100)

<0.001

100 (88.4- 100)

<0.001

≥30

18

95.0 (93.3- 96.3)

54.5 (23.4-83.2)

33.9

100 (54.1- 100)

80.0 (28.4- 99.4)

Educational level

Doctorate/Master

23.2

90.9 (87.9- 93.2)

93.1 (90.8- 94.8)

9.7

100 (54.1- 100)

NA

Graduate

34.9

95.5 (93.9- 96.6)

<0.001

86.8 (82.6- 90.1)

<0.001

37.1

100 (66.4- 100)

<0.001

100 (76.8- 100)

<0.001

Bachelor

41.9

87.5 (83.4- 90.6)

95.8 (94.4- 96.9)

53.2

100 (73.5- 100)

95.2 (76.2- 99.8)

Biosanitary degree

No

63.4

92.5 (79.6- 98.4)

<0.001

87.8 (75.2- 95.4)

<0.001

61.3

100 (83.9- 100)

<0.001

75 (19.4- 99.4)

<0.001

Yes

36.6

84.6 (54.5- 98.1)

94.0 (83.4- 98.7)

38.7

100 (54.1- 100)

100 (81.5- 100)