Table 1 Characteristics of local refractionists
From: Effect of no eyeglasses sales on the quality of eye care: an experimental evidence from China
Variables | Full sample (n = 226) | Control Group (n = 133) | No sale Group (n = 93) |
|---|---|---|---|
Characteristics of local refractionists | |||
 Male, n (%) | 71 (31.4) | 38 (28.6) | 33 (35.5) |
 Age (years), n (%) | |||
  < 30 | 82 (36.3) | 48 (36.1) | 34 (36.6) |
  30–39 | 89 (39.4) | 52 (39.1) | 37 (39.8) |
  ≥ 40 | 55 (24.3) | 33 (24.8) | 22 (23.6) |
Facility characteristics | |||
 Public (vs private), n (%) | 73 (32.3) | 40 (30.1) | 33 (35.5) |
 Located in Xi’an (provincial capital), n (%) | 148 (65.5) | 80 (60.2) | 68 (73.1)a |
SP characteristics | |||
 Age (years), mean (SD) | 24.8 (1.82) | 24.7 (1.97) | 24.8 (1.59) |
 Male, n (%) | 66 (29.2) | 40 (30.1) | 26 (28.0) |
 Spherical equivalent refractive power in the better- seeing eye, n (%) | |||
  > − 3.0 D | 111 (49.1) | 65 (48.9) | 46 (49.4) |
  ≤ − 3.0 D and > − 6.0 D | 74 (32.7) | 45 (33.8) | 29 (31.2) |
  ≤ − 6.0 D | 41 (18.1) | 23 (17.3) | 18 (19.4) |
Accuracy of Final Prescription | |||
 VDD, mean (SD) | 0.802 (0.759) | 0.760 (0.725) | 0.862 (0.804) |
 VDD ≥ 1.0 D, n (%) | 68 (30.1) | 34 (25.6) | 34 (36.6) |