Table 2 Prevalence of Iodised salt intake by women’s individual/household, community and state-level characteristics
Variables | Prevalence (95% CI) | Prevalence (95% CI) | F-statistic †p-value |
|---|---|---|---|
Adequate Iodized Salt | Inadequate Iodized Salt | ||
Overall | 64.8(62.5–67.0) | 35.2(33.1–37.5) |  |
Individual and Household characteristics | Â | Â | Â |
Age group |  |  | p < 0.001 |
15–19 | 54.4(48.3–60.5) | 45.6(39.5–51.7) |  |
20–24 | 68.1(63.7–72.1) | 31.9(27.9–36.3) |  |
25–29 | 66.7(63.3–70.0) | 33.3(30.0-36.7) |  |
30–34 | 68.3(64.4–72.1) | 31.7(27.9–35.6) |  |
35–39 | 63.5(58.9–68.0) | 36.5(32.0-41.2) |  |
40–44 | 60.1(52.7–67.0) | 39.9(33.0-47.3) |  |
45–49 | 51.8(41.2–62.2) | 48.2(37.8–58.8) |  |
Level of Education |  |  | p < 0.001 |
No education | 65.4(61.9–68.7) | 34.6(31.3–38.1) |  |
Primary | 68.3(63.3–72.9) | 31.7(27.1–36.7) |  |
Secondary/technical | 75.3(71.6–78.8) | 24.7(21.2–28.4) |  |
Higher | 82.8(75.5–88.2) | 17.2(11.8–24.5) |  |
Non-formal | 47.3(42.4–52.3) | 52.7(47.7–57.6) |  |
Exposure to mass media |  |  | p < 0.001 |
No | 58.8(55.6–62.0) | 41.2(38.1–44.4) |  |
Yes (TV/radio) | 70.0(67.1–72.6) | 30.0(27.4–32.9) |  |
Parity |  |  | p = 0.010 |
0 (None) | 68.5(62.9–73.5) | 31.5(26.5–37.1) |  |
1–2 | 67.1(63.9–70.2) | 32.9(29.8–36.1) |  |
3–4 | 65.3(61.4–69.0) | 34.7(31.0-38.7) |  |
5 or more | 60.5(57.0-63.9) | 39.5(36.1–43.0) |  |
Currently working |  |  | p < 0.001 |
Yes | 77.1(73.7–80.1) | 22.9(19.9–26.3) |  |
No | 61.6(60.0-64.1) | 38.4(35.9–41.0) |  |
Sex of household head |  |  | p = 0.005 |
Male | 64.1(61.8–66.4) | 35.9(33.6–38.2) |  |
Female | 73.3(67.2–78.6) | 26.8(21.4–32.8) |  |
Religion of household head |  |  | p < 0.001 |
Christianity | 76.8(73.7–79.5) | 23.2(20.5–26.3) |  |
Islam | 60.1(57.2–62.9) | 39.9(37.1–42.8) |  |
Others | 76.1(61.6–86.3) | 24.0(13.7–38.4) |  |
Ethnicity of household head |  |  | p < 0.001 |
Hausa | 56.9(53.7–60.1) | 43.1(39.9–46.3) |  |
Igbo | 85.4(80.5–89.2) | 14.6(10.8–19.5) |  |
Yoruba | 74.4(69.0-79.2) | 25.6(20.8–31.0) |  |
Other ethnic groups | 75.7(71.8–79.2) | 24.3(20.8–28.2) |  |
Education of household head |  |  | p < 0.001 |
None | 71.3(67.7–74.7) | 28.7(25.3–32.3) |  |
Primary | 67.5(62.1–72.5) | 32.5(27.5–37.9) |  |
Secondary/technical | 70.7(66.7–74.4) | 29.3(25.6–33.3) |  |
Higher | 71.8(65.4–77.5) | 28.2(22.5–34.6) |  |
Non-formal | 49.3(44.6–54.2) | 50.7(45.9–55.5)) |  |
Wealth status |  |  | p < 0.001 |
Poorest | 53.2(48.5–57.9) | 46.8(42.1–51.5) |  |
Poorer | 58.9(54.2–63.5) | 41.1(36.5–45.8) |  |
Middle | 64.1(58.6–69.2) | 36.0(30.8–41.4) |  |
Richer | 68.7(63.9–73.2) | 31.3(26.8–36.1) |  |
Richest | 78.5(74.1–82.4) | 21.5(17.6–25.9) |  |
Community characteristics | Â | Â | Â |
Place of residence |  |  | p = 0.003 |
Urban | 70.7(66.4–74.6) | 29.3(25.4–33.6) |  |
Rural | 63.0(60.3–65.5) | 37.0(34.5–39.7) |  |
Socio-economic status |  |  | p < 0.001 |
1 (Least deprived) | 77.0(73.5–80.2) | 23.0(19.8–26.5) |  |
2 (More deprived) | 59.1(54.8–63.2) | 40.9(36.8–45.2) |  |
3 (Most deprived) | 58.1(54.0-62.1) | 41.9(37.9–46.0) |  |
State-level factors | Â | Â | Â |
Socio-economic status |  |  | p < 0.001 |
1 (Least deprived) | 77.4(74.4–80.1) | 22.6(19.9–25.6) |  |
2 (More deprived) | 61.8(57.7–65.8) | 38.2(34.2–42.3) |  |
3 (Most deprived) | 54.0(49.6–58.3) | 46.0(41.8–50.4) |  |
Region |  |  | p < 0.001 |
North Central | 82.8(78.6–86.2) | 17.3(13.8–21.4) |  |
North East | 69.8(64.0–75.0) | 30.2(25.0–36.0) |  |
North West | 49.6(46.3–53.0) | 50.4(47.0-53.8) |  |
South East | 86.5(81.4–90.4) | 13.5(9.6–18.6) |  |
South South | 82.6(77.6–86.7) | 17.4(13.3–22.4) |  |
South West | 72.4(66.9–77.3) | 27.6(22.7–33.1) |  |