Skip to main content

Table 1 Characteristics and cognitive function of study participants grouped by age at menarche

From: Association of menarche, menopause, and reproductive history with cognitive performance in older US women: a cross-sectional study from NHANES 2011–2014

Characteristic

Age of menarche < 12, N = 138 (20.40%)1

12 ≤ Age of menarche ≤ 13, N = 366 (54.21%)1

Age of menarche > 13, N = 194 (25.39%)1

p-Value2

Age group

   

> 0.9

 60–69 years

73 (50.75%)

175 (47.69%)

101 (49.41%)

 

 70–79 year

35 (26.70%)

114 (29.55%)

51 (28.68%)

 

 ≥ 80 years

30 (22.55%)

77 (22.76%)

42 (21.91%)

 

Race/Ethnicity

   

0.024

 Non-Hispanic White

75 (80.38%)

199 (79.09%)

81 (71.57%)

 

 Non-Hispanic Black

28 (9.19%)

88 (10.45%)

36 (9.26%)

 

 Mexican American

14 (3.66%)

31 (3.67%)

25 (6.18%)

 

 Other Hispanic

17 (4.75%)

27 (2.70%)

19 (4.13%)

 

 Other/multiracial

4 (2.01%)

21 (4.09%)

33 (8.86%)

 

Education attainment

   

0.3

 Less Than 9th Grade

9 (4.76%)

30 (5.20%)

28 (7.24%)

 

 9-11th Grade

18 (9.90%)

66 (13.77%)

29 (13.70%)

 

 High School Graduate/GED

45 (35.88%)

80 (21.37%)

53 (29.72%)

 

 Some College or AA degree

43 (28.52%)

111 (34.01%)

56 (30.29%)

 

 College Graduate or above

23 (20.95%)

79 (25.64%)

28 (19.04%)

 

Alcohol intake

   

0.3

 1–5 drinks/month

56 (43.41%)

167 (48.52%)

71 (41.90%)

 

 5–10 drinks/month

5 (3.97%)

8 (2.04%)

5 (3.31%)

 

 ≥ 10 drinks/month

9 (11.53%)

45 (15.72%)

14 (9.02%)

 

 Non-drinker

68 (41.10%)

146 (33.72%)

104 (45.77%)

 

Smoke group

   

0.8

 Current smoker

16 (12.40%)

44 (12.16%)

22 (9.97%)

 

 Former smoker

45 (38.42%)

119 (35.19%)

54 (32.81%)

 

 Never smoker

77 (49.18%)

203 (52.64%)

118 (57.22%)

 

BMI group

   

0.057

 Underweight (< 18.5)

0 (0.00%)

7 (1.33%)

4 (0.91%)

 

 Normal (18.5 to < 25)

19 (17.39%)

82 (26.90%)

59 (25.81%)

 

 Overweight (25 to < 30)

39 (28.13%)

115 (33.74%)

55 (35.85%)

 

 Obese (30 or greater)

80 (54.48%)

162 (38.02%)

76 (37.43%)

 

Hypertension

109 (74.53%)

283 (74.14%)

141 (67.87%)

0.4

Diabetes

65 (42.46%)

145 (34.58%)

81 (35.94%)

0.4

PIR

   

0.15

 ≤ 1.3

48 (23.30%)

113 (20.78%)

72 (23.32%)

 

 1.3 < to ≤ 3.5

54 (41.95%)

158 (41.55%)

85 (53.39%)

 

 > 3.5

36 (34.74%)

95 (37.67%)

37 (23.29%)

 

CERAD1

5.00 (4.00, 6.00)

5.00 (4.00, 6.00)

5.00 (4.00, 6.00)

0.2

CERAD2

8.00 (6.00, 9.00)

8.00 (6.00, 9.00)

7.00 (7.00, 9.00)

0.7

CERAD3

9.00 (7.00, 9.00)

8.00 (7.00, 10.00)

8.00 (7.00, 9.00)

0.5

CERAD total

21.0 (18.0, 24.0)

21.0 (18.0, 24.0)

21.0 (17.0, 24.0)

0.5

CERAD delay recall

7.00 (5.00, 9.00)

7.00 (5.00, 8.00)

7.00 (5.00, 8.00)

0.15

AFT

18.0 (14.0, 20.0)

17.0 (14.0, 20.0)

17.0 (14.0, 20.0)

0.8

DSST

52 (42, 62)

53 (40, 64)

50 (42, 64)

> 0.9

  1. 1n (weighted %); Median (IQR)
  2. 2chi-squared test with Rao & Scott’s second-order correction; Wilcoxon rank-sum test for complex survey samples
  3. Abbreviation: CERAD, Consortium to Establish a Registry for Alzheimer’s Disease; AFT, Animal Fluency test; DSST, Digit Symbol Substitution Test; BMI, body mass index; PIR, poverty income ratio; GED, General educational development; AA, Associate of Arts