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. 2013 Sep 20;8(9):e74977. doi: 10.1371/journal.pone.0074977

Table 5. Proportion of respondents reporting each socio-economic indicator in each round and the extent of agreement between each round for respondents using the same mode of questionnaire delivery in Rounds 1 and 2.

(n = 30) p-value kappa (n = 234) p-value kappa
Indicator IAQ R1 a IAQ R2 b SA R1 c SA R2 d
Ability to afford essential items:
Cannot afford:
 to cook with oil at each meal 43.3 50.0 0.62 0.73 59.4 57.7 0.60 0.49
 to eat meat or fish at least 4x/wk 70.0 66.7 >0.99 0.46 76.9 75.6 0.64 0.52
 to drink tea once/day 50.0 36.7 0.22 0.60 41.9 49.6 0.05 0.30
 soap to wash clothes 23.3 16.7 0.62 0.59 27.4 26.1 0.68 0.40
 to pay clinic fees if sick 23.3 43.3 0.07 0.42 46.2 43.2 0.28 0.63
All in household do not own at least 1 pair of shoes 26.7 30.0 >0.99 0.75 42.7 44.0 0.65 0.63
Been absent from school - no money for fees 66.7 53.3 0.22 0.59 50.0 47.9 0.57 0.34
Food security:
Adult skipped a meal in last week 13.3 13.3 >0.99 1.00 24.9 22.6 0.41 0.54
Gone a day without food in the last week 13.3 16.7 0.50 0.63 21.1 22.4 0.63 0.48
Sometimes I go to bed hungry 23.3 26.7 >0.99 0.73 21.8 23.1 0.63 0.52
Cannot afford to eat more than one meal/day 23.3 16.7 0.69 0.38 28.6 35.5 0.04 0.39
a

Interview-administered questionnaire completed in round 1.

b

Interview-administered questionnaire mode completed in round 2.

c

Self-administered questionnaire mode (i.e. SAQ, AudioSAQ or ACASI) completed in round 1.

d

Self-administered questionnaire mode completed in round 2.