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Table 1 Description of mothers participating in the 2015 Pelotas Birth Cohort perinatal study regarding the use of folic acid, iron salts or other vitamins and minerals (N = 4270 women)

From: The use of folic acid, iron salts and other vitamins by pregnant women in the 2015 Pelotas birth cohort: is there socioeconomic inequality?

  Folic acid, iron salts or other vitamins and minerals
  N % N % IC 95%
Ethnicity
 White 3005 70.5 2765 92.0 91.0–93.0
 Black 680 15.9 607 89.2 86.9–91.6
 Other 578 13.5 510 88.2 85.6–90.9
Age (years)
  < =19 years 630 14.7 556 88.3 85.7–90.8
 20–29 2021 47.3 1839 91.0 89.7–92.2
 30–46 1618 37.9 1490 92.1 90.8–93.4
Education (years)
 0–4 years 394 9.2 321 81.5 77.6–85.3
 5–8 1098 25.7 958 87.3 85.3–89.2
 9–11 1463 34.3 1346 92.0 90.6–93.4
 12 or more 1314 30.8 1261 96.0 94.9–97.0
Family Income (multiple of minimum wage)a
  ≤ 1 548 12.8 464 84.6 81.6–87.6
 1.1–3.0 2015 47.2 1810 89.8 88.5–91.1
 3.1–6.0 1126 26.4 1054 93.6 92.2–95.0
 6.1–10.0 316 7.4 299 94.6 92.1–97.1
  > 10.0 263 6.2 258 98.1 96.4–99.8
Parity
 1 2114 49.5 1988 94.0 93.0–95.0
 2 1315 30.8 1206 91.7 90.2–93.2
 3 472 11.1 409 86.7 83.6–89.7
 4 or more 367 8.6 282 76.8 72.5–81.2
Total 4270 100 3886 91.0 90.1–91.8
  1. a monthly minimum wage in 2015 (R$788 or $201)
  2. Pelotas, RS, Brazil, 2015