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. 2014 Dec 3;9(12):e114192. doi: 10.1371/journal.pone.0114192

Table 4. Association between supplement intake and micronutrient deficiency across the different pregnancy trimesters.

Reported vitamin/mineral supplement
Micronutrient deficiency No Multivitamin/mineral Additional supplement P-value
Trimester 1 Trimester 1 0.380
Yes (n = 40) 3 (7.5) 23 (57.5) 14 (35.0)
No (n = 9) 2 (22.2) 5 (35.6) 2 (22.2)
Trimester 2 Trimester 1 0.273
Yes (n = 45) 4 (8.9) 25 (55.6) 16 (35.6)
No (n = 4) 1 (25.0) 3 (75.0) 0
Trimester 2 0.377
Yes (n = 43) 2 (4.4) 8 (17.8) 33 (73.3)
No (n = 4) 1 (25.0) 1 (25.0) 2 (50.0)
Trimester 3 Trimester 1 0.668
Yes (n = 43) 5 (11.6) 24 (55.8) 14 (32.6)
No (n = 6) 0 4 (66.7) 2 (33.3)
Trimester 2 0.839
Yes (n = 41) 3 (7.0) 8 (18.6) 30 (69.8)
No (n = 6) 0 1 (16.7) 5 (83.8)
Trimester 3 0.545
Yes (n = 41) 8 (18.6) 3 (7.0) 30 (73.2)
No (n = 6) 0 1 (16.7) 5 (83.3)

Values presented as n (valid percentage).