Socio-demographic and clinical parameters
Out of the total 5766 participants surveyed, 5709 fulfilled the inclusion criteria and hence were analyzed. The majority of the participants (44.2%) belonged to >25-≤35 years of age with the mean age of all the participants as 29.12±7.12 years. The majority of the participants were married (67.3%), Hindu by religion (87.9%), unemployed (42.0%), and belonging to lower middle socio-economic status (55.7%). The mean age of menarche and parity for all the participants was 13.09±1.07 years and 0.88±1.06 respectively. Of all the participants, 88.9% were currently not using any method of contraception, while 11.1% were either using barrier methods (6.1%) or underwent permanent family planning operations (5.0%). The details of various socio-demographic features of all the participants are depicted in Table 1. The mean±SD of weight, height, and body mass index (BMI) of all the participants was 57.24±9.24 Kg, 155.44±6.29m, and 23.76±4.04Kg/m2 respectively.
All the enrolled participants had regular cycles (28-30 days), with a moderate amount of bleeding lasting for an average duration of 4.66±1.38 days prior to vaccination, as this was one of the inclusion criteria for the study.