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Table 2 Hair Product Use by Race/Ethnicitya (n = 154)

From: Endocrine disrupting chemical-associated hair product use during pregnancy and gestational age at delivery: a pilot study

   

Race/Ethnicityb

Product

Timepoint

 

All

Non-Hispanic White

Non-Hispanic Black

Other race/ethnicity

n

n (%)

n (%)

n (%)

n (%)

Hair oils

Ever

154

56 (36.4)

20 (26.0)

11 (91.7)

25 (38.5)

Visit 1

139

30 (21.6)

10 (13.9)

6 (85.7)

14 (23.3)

Visit 2

140

33 (23.6)

11 (15.3)

7 (63.6)

15 (26.3)

Visit 3

139

30 (21.6)

11 (15.3)

8 (80)

11 (19.3)

Visit 4

129

26 (20.2)

6 (8.8)

5 (83.3)

15 (27.3)

Hair lotion

Ever

154

51 (33.1)

14 (18.2)

10 (83.3)

27 (41.5)

Visit 1

139

24 (17.3)

7 (9.7)

4 (57.1)

13 (21.7)

Visit 2

139

30 (21.6)

9 (12.7)

6 (54.6)

15 (26.3)

Visit 3

138

25 (18.1)

5 (7.0)

7 (70.0)

13 (22.8)

Visit 4

129

17 (13.2)

4 (5.9)

5 (83.3)

8 (14.6)

Leave-in conditioners

Ever

154

63 (40.9)

27 (35.1)

10 (83.3)

26 (40.0)

Visit 1

138

31 (22.5)

15 (20.8)

3 (42.9)

13 (22.0)

Visit 2

139

33 (23.7)

14 (19.7)

7 (63.6)

12 (21.1)

Visit 3

139

28 (20.1)

11 (15.3

8 (80.0)

9 (15.8)

Visit 4

126

23 (17.8)

8 (11.8)

3 (50.0)

12 (21.8)

Non-lye perms/relaxers

Ever

154

5 (3.6)

0 (0)

1 (8.3)

4 (6.2)

Visit 1

139

2 (1.4)

0 (0)

1 (14.3)

1 (1.7)

Visit 2

139

3 (2.2)

1 (0)

2 (33.3)

3 (66.7)

Visit 3

139

2 (1.4)

0 (0)

1 (14.3)

1 (1.7)

Visit 4

128

1 (0.8)

0 (0)

1 (16.7)

0 (0)

Lye perms/relaxers

Ever

154

3 (2.0)

1 (3.3)

0 (0)

2 (3.1)

Visit 1

138

0 (0)

0 (0)

0 (0)

0 (0)

Visit 2

140

3 (2.1)

1 (1.4)

0 (0)

2 (3.5)

Visit 3

139

0 (0)

0 (0)

0 (0)

0 (0)

Visit 4

129

1 (0.8)

0 (0)

0 (0)

1 (1.8)

Natural

Ever

154

39 (25.3)

7 (9.1)

9 (75.0)

23 (35.4)

Visit 1

138

19 (13.8)

1 (1.4)

2 (28.6)

16 (27.1)

Visit 2

139

21 (15.1)

3 (4.2)

6 (54.6)

12 (21.1)

Visit 3

139

17 (12.2)

3 (4.2)

5 (50.0)

9 (15.8)

Visit 4

127

15 (11.8)

3 (4.6)

2 (33.3)

10 (18.2)

Prescription

Ever

153

9 (5.9)

1 (1.3)

4 (33.3)

4 (6.3)

Visit 1

137

1 (0.7)

0 (0)

0 (0)

1 (1.7)

Visit 2

138

8 (5.8)

1 (1.4)

4 (36.4)

3 (5.5)

Visit 3

139

2 (1.4)

1 (1.4)

1 (10)

0 (0)

Visit 4

129

3 (2.3)

0 (0)

1 (16.7)

2 (3.6)

Other

Ever

153

29 (19.0)

12 (15.6)

7 (58.3)

10 (15.6)

Visit 1

139

8 (5.8)

3 (4.2)

1 (14.3)

4 (6.7)

Visit 2

136

13 (9.6)

4 (5.6)

4 (36.4)

5 (9.3)

Visit 3

139

10 (7.2)

4 (5.6)

4 (40.0)

2 (3.5)

Visit 4

128

9 (7.0)

3 (4.5)

2 (33.3)

4 (7.3)

  1. aDefined as use within the last month
  2. bPercent for ‘All’ is percentage of total n for each visit; Percent for non-Hispanic White, non-Hispanic Black or Other race/ethnicity is percentage of total n within each race/ethnicity category at each visit