Table 1 Individual characteristics before and after matching
variables | Before PSM count (Percent) | After PSM count (Percent) | |||||||
|---|---|---|---|---|---|---|---|---|---|
Control group, n = 400 | Treatment Group, n = 100 | SMD | P | Control group, n = 200 | Treatment Group, n = 100 | SMD | P | ||
Sex | |||||||||
1 | 105 ( 26.2) | 25 ( 25.0) | 0.029 | 0.899 | 51 ( 25.5) | 25 ( 25.0) | 0.012 | > 0.999 | |
2 | 295 ( 73.8) | 75 ( 75.0) | 149 ( 74.5) | 75 ( 75.0) | |||||
Size of hear | |||||||||
1 | 127 ( 31.8) | 28 ( 28.0) | 0.109 | 0.617 | 67 ( 33.5) | 28 ( 28.0) | 0.121 | 0.490 | |
2 | 167 ( 41.8) | 41 ( 41.0) | 69 ( 34.5) | 41 ( 41.0) | |||||
3 | 106 ( 26.5) | 31 ( 31.0) | 64 ( 32.0) | 31 ( 31.0) | |||||
Infestation rate | |||||||||
1 | 144 ( 36.0) | 30 ( 30.0) | 0.207 | 0.161 | 62 ( 31.0) | 30 ( 30.0) | 0.071 | 0.844 | |
2 | 188 ( 47.0) | 45 ( 45.0) | 94 ( 47.0) | 45 ( 45.0) | |||||
3 | 68 ( 17.0) | 25 ( 25.0) | 44 ( 22.0) | 25 ( 25.0) | |||||
Type of treatment | |||||||||
1% permethrin shampoo | 206 ( 51.5) | 50 ( 50.0) | 0.030 | 0.876 | 92 ( 46.0) | 50 ( 50.0) | 0.080 | 0.595 | |
4% dimeticone lotion | 194 ( 48.5) | 50 ( 50.0) | 108 ( 54.0) | 50 ( 50.0) | |||||