Table 4.
Demographics of the sample by media channel allocation.
| Characteristic | Email (n=69,777), % | SMS text message (n=43,271), % | |
| Gender | |||
|
|
Male | 40.8 | 44.4 |
|
|
Female | 59.2 | 55.6 |
| Age (years) | |||
|
|
50-55 | 47.1 | 38.8 |
|
|
55-60 | 15.1 | 15.8 |
|
|
60-65 | 16.1 | 17.9 |
|
|
65-70 | 12.0 | 14.5 |
|
|
70-74 | 9.7 | 12.9 |
| SESa | |||
|
|
1 | 0 | 0.7 |
|
|
2 | 0.7 | 3.6 |
|
|
3 | 4.9 | 12.2 |
|
|
4 | 7.2 | 15.0 |
|
|
5 | 13.5 | 20.3 |
|
|
6 | 18.9 | 19.4 |
|
|
7 | 19.1 | 13.1 |
|
|
8 | 18.0 | 8.8 |
|
|
9 | 13.6 | 5.4 |
|
|
10 | 4.1 | 1.5 |
aSES: socioeconomic status. This is an index defined by the Central Bureau of Statistics (CBS), ranging from 1 to 10, where 1 reflects the weakest status and 10 the highest.