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. 2016 Jul 22;11(7):e0158554. doi: 10.1371/journal.pone.0158554

Table 1. Percentage of Adequately Iodized Salt (≥15 ppm Iodine Concentration) in Households of Selected Children (N = 1068) in Selected AWC Catchment Areas in Telangana, India, 2014.

Characteristic n %a (95% CI)b P-valuec
Residence
Urban 470 87.8 (82.6, 91.6) <0.05
Rural/Tribal 400 77.0 (69.0, 83.5)
MPI
Poor 128 66.2 (53.4, 77.0) <0.01
Non-poor 712 82.7 (76.2, 87.7)
Education of caregiver (years)
0–4 217 71.2 (59.1, 80.9) <0.01
≥5 653 83.7 (78.7, 87.6)
District
Adilabad 127 84.5 (75.9, 90.4) <0.01
Hyderabad 104 92.3 (83.0, 96.7)
Karimnagar 88 90.5 (78.5, 96.1)
Khammam 132 82.5 (63.2, 92.8)
Mahbubnagar 106 65.5 (45.9, 81.0)
Medak 38 94.1 (89.6, 96.8)
Nalgonda 79 78.5 (65.3, 87.7)
Nizamabad 33 59.0 (39.9, 75.8)
Ranga Reddy 61 70.1 (32.7, 91.9)
Warangal 102 71.9 (62.7, 79.6)
Brand
Major brand 1 129 92.0 (83.9, 96.2) <0.001
Major brand 2 77 94.6 (88.1, 97.7)
Major brand 3 80 82.0 (64.6, 91.9)
Major brand 4 62 100.0
Major brand 5 43 86.6 (76.8, 92.6)
Major brand 6 142 94.6 (87.2, 97.8)
Other brands 155 64.5 (50.0, 76.8)
Don’t know 178 71.3 (64.0, 77.6)
Open salt 3 13.8 (3.70, 40.0)
TOTAL 870 78.8 (72.1, 84.2)

CI, confidence interval.

Note: The n’s are unweighted numbers with the condition (i.e., numerator) for each subgroup; subgroups that do not sum to the total have missing data.

a Percentages weighted for unequal probability of selection.

b CI calculated taking into account the complex sampling design.

c Chi-square p-value <0.05 indicates that the variation in the values of the subgroup is significantly different from all other subgroups.