| Text message prompt topics | Subscribed users who visited HeLP-Diabetes % (n/N) |
Unsubscribed users who visited HeLP-Diabetes % (n/N) |
Chi-square result X2(dfa, N), P value |
| Flu jab reminder | 5.8 (10/172) | 10.9 (14/129) | 2.6 (1, 301), .11 |
| Home exercises | 6.5 (12/185) | 2.1 (3/142) | 3.5 (1, 327), .06 |
| Eating and drinking on holidays | 4.0 (8/199) | 5.3 (8/151) | 0.3 (1, 350), .57 |
| January blues | 5.3 (10/190) | 4.8 (8/167) | 0.04 (1, 357), .83 |
| Sharing problems and advices | 4.8 (10/209) | 5.6 (9/161) | 0.1 (1, 370), .72 |
| National Health Service medical exemption certificate | 4.7 (11/234) | 3.5 (6/173) | 0.4 (1, 407), .53 |
| Specialist and technical support | 2.8 (7/246) | 2.8 (5/180) | 0.002 (1, 426), .96 |
adf: degrees of freedom.