Skip to main content

Table 3 Sample Size Calculations

From: Family Spirit Nurture (FSN) – a randomized controlled trial to prevent early childhood obesity in American Indian populations: trial rationale and study protocol

Outcome Measures Detectable Differences
% Mothers initiated breastfeeding 14%
% Exclusive breastfeeding through 6 months of age 15%
Mean breastfeeding duration 23 days
% Introduced SSBs 13%
Infant/Toddler Responsive Feeding Scale:
• Responsive
• Forceful
• Indulgent
• Restrictive
• Uninvolved
0.20 points
0.24 points
0.22 points
0.20 points
0.32 points
BMI z-score 0.33 (SDs)