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. 2023 Aug 26;22:166. doi: 10.1186/s12939-023-01985-5

Table 5.

Placebo test

(1) (2) (3) (4) (5) (6)
Cutoff 57 58 59 61 62 63
Probability of discretionary OTC drug purchase
Pension -0.36698 0.69171 0.87341 0.32878 0.28203 -2.1045
(0.6513) (0.60854) (1.112) (0.65295) (0.28669) (6.7784)
95% CI [-1.643,0.909] [-0.501,1.884] [-1.305,3.052] [-0.950,1.608] [-0.279,0.843] [-15.389,11.180]
Bandwidth 3.233 2.614 2.096 3.038 3.119 2.930
Sample size 1047;768 586;700 416;666 821;1081 953;1090 994;1015
Inpatient
Pension -1.0819 -0.01068 0.0613 0.24706 0.06453 -0.30709
(0.66936) (0.23101) (0.66866) (0.29373) (0.22644) (0.57976)
95% CI [-2.393,0.229] [-0.463,0.442] [-1.249,1.371] [-0.328,0.822] [-0.379,0.508] [-1.443,0.829]
Bandwidth 3.079 4.188 2.143 5.188 3.096 3.687
Sample size 985;710 1241;1226 416;666 1266;1777 953;1090 1217;1236
Outpatient
Pension -1.7666 0.35675 0.27627 1.1342 -0.06784 -0.04335
(1.954) (0.30082) (0.64699) (1.4924) (0.22001) (0.32914)
95% CI [-5.596,2.063] [-0.232,0.946] [-0.991,1.544] [-1.790,4.059] [-0.499,0.363] [-0.688,0.601]
Bandwidth 2.551 3.191 1.544 3.542 3.013 4.035
Sample size 781;565 827;907 333;469 946;1223 934;1065 1302;1333