Table 1 Comparison the characteristics of the SMS quality evaluation population and the SMS intervention population
|  | SMS intervention populations(N = 171) | SMS quality evaluation population (N = 72) | χ2 | P value |
|---|---|---|---|---|
Age | Â | Â | 0.001 | 0.982 |
  < 50 | 52 (30.4) | 22 (30.6) |  |  |
  ≥ 50 | 119 (69.6) | 50 (69.4) |  |  |
Gender | Â | Â | 0.400 | 0.527 |
 male | 97 (56.7) | 44 (61.1) |  |  |
 female | 74 (43.3) | 28 (38.9) |  |  |
BMI | Â | Â | Â | 0.761 a |
  < 18.5 | 4 (2.4) | 3 (3.7) |  |  |
 18.5 ~ 24.0 | 44 (26.3) | 19 (23.2) |  |  |
  ≥ 24.0 | 119 (71.3) | 60 (73.2) |  |  |
Distribution | Â | Â | 0.957 | 0.328 |
 urban | 133 (77.8) | 60 (83.3) |  |  |
 rural | 38 (22.2) | 12 (16.7) |  |  |
Education | Â | Â | 0.412 | 0.521 |
 below high school | 68 (40.0) | 32 (44.4) |  |  |
 high school and above | 102 (60.0) | 40 (55.6) |  |  |
Marital status | Â | Â | Â | 0.773 a |
 married | 161 (94.2) | 67 (93.1) |  |  |
 other | 10 (5.8) | 5 (6.9) |  |  |
Employment status | Â | Â | 2.605 | 0.106 |
 employed | 90 (52.6) | 46 (63.9) |  |  |
 non-employed | 81 (47.4) | 26 (36.1) |  |  |
Smoking | Â | Â | 0.011 | 0.915 |
 yes | 44 (25.7) | 19 (26.4) |  |  |
 no | 127 (74.3) | 53 (73.6) |  |  |
Drinking | Â | Â | 1.317 | 0.251 |
 yes | 58 (33.9) | 30 (41.7) |  |  |
 no | 113 (66.1) | 42 (58.3) |  |  |
Hypertension | Â | Â | 0.262 | 0.609 |
 yes | 65 (39.6) | 26 (36.1) |  |  |
 no | 99 (60.4) | 46 (63.9) |  |  |