Table 4

Agreement between households and provider in OOPs by number of health expenditure items and spending category

 No of health items within each spending category No of households Total no of health questions Mean ratio 95% limits of agreement of mean ratio Estimated difference in mean ratio between questionnaire versions and CI and p value Estimated diffference in SD of mean ratio between questionnaire versions and CI and p value Outpatient care p=0.49 p=0.50 2 health items 44 11 1.02 0.05 to 21.2 – – 12 health items 126 44 1.21 0.05 to 26.7 1.29 (0.74 to 2.23) 1.02 (0.73 to 1.42) 12 health items 47 56 1.56 0.12 to 19.6 1.47 (0.77 to 2.80) 0.84 (0.57 to 1.25) Inpatient care p=0.003 p=0.01 2 health items 91 11 3.88 0.17 to 86.2 – – 14 health items 99 44 6.61 0.16 to 270.7 1.63 (0.99 to 2.69) 1.35 (1.03 to 1.76) 14 health items 100 56 9.19 0.51 to 161.2 2.34 (1.44 to 3.83) 0.93 (0.71–1.21) Medicines p=0.023 p=0.33 2 health items 302 11 1.26 0.10 to 16.0 – – 9 health items 381 44 1.35 0.09 to 19.5 1.14 (0.91 to 1.42) 1.04 (0.91 to 1.19) 16 health items 354 56 1.62 0.18 to 15.0 1.36 (1.01 to 1.70) 0.95 (0.83 to 1.08) Preventive care p=0.290 p=0.51 2 health items 86 11 1.21 0.09 to 15.15 – – 5 health items 67 44 0.89 0.04 to 18.9 0.74 (0.46 to 1.14) 1.19 (0.88 to 1.62) 5 health items 22 56 1.33 0.08 to 22.4 1.07 (0.55 to 2.05) 1.04 (0.68 to 1.60)
• Note: The unit of the estimated difference is the mean ratio expressed as a ratio between household and provider for each questionnaire version.

• OOP, out-of-pocket.