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Table 2 Efficacy Experiment Sample Sizes

From: Impact of a parent-child sexual communication campaign: results from a controlled efficacy trial of parents

  Survey Sample Sizes
Experiment Condition Baseline 4-Week Follow-Up 6-Month Follow-Up 12-Month Follow-Up 18-Month Follow-Up
Mothers      
   Control 349 326 270 233 184
   Normal Treatment 776 663 266 219 175
   Booster Treatment -- -- 275 220 189
Fathers      
   Control 340 321 280 230 197
   Normal Treatment 504 444 365 297 240
Total 1,969 1,754 1,456 1,199 985
  1. Note: Normal treatment = Exposed to core PSUNC messages; Booster treatment = Exposed to core plus additional PSUNC messages.