Table 1. Study Sample.

Methodology and Types of Participants	No. of Participants
Observed Immunization Encounters
Mothers	69
Fathers	3
Mothers and fathers together	4
Other caregivers	7
Subtotal	83
Exit Interviews
Caregivers	37
Subtotal	37
In-Depth Interviews
Health staff	18
Community leaders	6
Subtotal	24
Focus Group Discussions
Mothers	52
Fathers	10
Grandmothers	8
Subtotal	70
TOTAL	214