Reported receipt of SMS reminders, opinions about SMS reminders, experience with and opinions about incentives
| Reported receipt of SMS reminders | ||||||||
| SMS (N=146) | SMS + 150 KES (N=149) | |||||||
| All n (%) | Own n (%) | Share n (%) | P value | All n (%) | Own n (%) | Share n (%) | All n (%) | |
| Received ≥1 SMS reminder | 98 (67) | 66 (67) | 32 (33) | –* | 120 (81) | 82 (68%) | 38 (32) | –* |
| Received one reminder | 30 (31) | 18 (27) | 12 (38) | 0.303 | 21 (18) | 12 (15%) | 9 (24) | 0.225 |
| Received two reminders | 62 (63) | 47 (71) | 15 (47) | 0.019 | 94 (78) | 68 (83%) | 26 (68) | 0.073 |
| Received three reminders | 1 (1) | 1 (2) | 0 (0) | 0.484 | 2 (2) | 2 (2%) | 0 (0) | 0.332 |
| Don’t know | 5 (5) | 0 (0) | 5 (16%) | 0.001 | 3 (3) | 0 (0) | 3 (8) | 0.010 |
| Opinions about SMS reminders | ||||||||
| SMS (N=98) (%) | SMS + 150KES (N=120) (%) | |||||||
| SMS influenced decision to vaccinate | 88 (90) | 110 (92) | ||||||
| Received MCV1 by age 12 months | 80 (91) | 96 (87) | ||||||
| Number of SMS reminders | ||||||||
| Too few | 8 (8) | 15 (13) | ||||||
| Just right | 80 (82) | 94 (78) | ||||||
| Shared mobile phone | 7 (7) | 9 (8) | ||||||
| Don't know | 3 (3) | 2 (2) | ||||||
| Length of SMS reminders | ||||||||
| Too short | 0 (0) | 1 (1) | ||||||
| Right length | 88 (90) | 106 (88) | ||||||
| Shared mobile phone | 8 (8) | 13 (11) | ||||||
| Don't know | 2 (2) | 0 (0) | ||||||
| Experience with, and opinions about incentives | ||||||||
| SMS +150 KES (N=149) (%) | ||||||||
| Received MCV1 incentive | 105 (71) | |||||||
| Owned phone | 76 (72) | |||||||
| Incentive influenced decision to vaccinate | 88 (84) | |||||||
| Received MCV1 by age 12 months | 78 (89) | |||||||
| Mobile money cashed out | ||||||||
| Day when received | 16 (15) | |||||||
| Within 1–3 days of receipt | 67 (64) | |||||||
| More than 3 days after receipt | 20 (19) | |||||||
| Not cashed out | 2 (2) | |||||||
| Experience receiving incentive | ||||||||
| Very positive | 98 (93) | |||||||
| Somewhat positive | 2 (2) | |||||||
| Neutral | 4 (4) | |||||||
| Very negative | 1 (1) | |||||||
| Likelihood of future vaccination in the absence of incentive | ||||||||
| More likely | 95 (91) | |||||||
| Less likely | 1 (1) | |||||||
| The same | 8 (8) | |||||||
| Don't know | 1 (1) | |||||||
| M-PESA use | ||||||||
| Transport cost | 59 (56) | |||||||
| Housing expenses | 21 (20) | |||||||
| Food | 16 (15) | |||||||
| Airtime | 1 (1) | |||||||
| Medicine | 5 (5) | |||||||
| Infant’s clothing | 2 (2) | |||||||
| Not used yet | 1 (1) | |||||||
*p value not calculated as ownership of phone number to which reminder was sent was only collected for participants who reported that they received a reminder; there is no corresponding data on phone ownership for participants who reported that they did not receive any reminders.
KES, Kenya Shillings; MCV, measles-containing vaccine; SMS, short message service.