Pre-campaign (March 1992) | Tracking surveys (September 1992, September 1993) | Post-campaign (September 1994) | |
---|---|---|---|
*Data not available. | |||
†Response proportion=(completed interviews)/(qualified contacts). | |||
‡Some families are in the table more than once because they had children in more than one age category. | |||
Total phone contacts | 697 | * | 1859 |
Refusals | 224 | * | 859 |
Not qualified | 141 | * | 520 |
Completed interviews | 332 | 200 | 480 |
Response proportion† | 60% | 36% | |
Interviewed families by age of child (years)‡ | |||
1–4 | 150 | 100 | 176 |
5–9 | 181 | 100 | 273 |
10–14 | 171 | na | 254 |