Table 3 Baseline characteristics of participants enrolled to measure carriage endpoints

No. enrolled

n = x

n = y

Age at enrolment (days), n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Sex, n

n = x

n = y

 Female, n (%)

x (x.x%)

y (y.y%)

Mother's age (years), n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Gestational age at birth, n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Birth weight, n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Breast fed at enrolment, n

n = x

n = y

 Yes, n (%)

x (x.x%)

y (y.y%)

Age at first PCV dose (days), n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Age at second PCV dose (days), n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Age at third PCV dose (days), n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Age at PCV booster (alternative schedule) or measles vaccine (standard schedule) [days], n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Antibiotics since birth, n

n = x

n = y

 Yes, n (%)

x (x.x%)

y (y.y%)

Smoker in house, n

n = x

n = y

 Yes, n (%)

x (x.x%)

y (y.y%)

Household cooking fuel, n

n = x

n = y

 Wood, n (%)

x (x.x%)

y (y.y%)

 Charcoal, n (%)

x (x.x%)

y (y.y%)

 Gas, n (%)

x (x.x%)

y (y.y%)

 Electricity, n (%)

x (x.x%)

y (y.y%)

 Dung, n (%)

x (x.x%)

y (y.y%)

Infant in cooking area daily, n

n = x

n = y

 Yes, n (%)

x (x.x%)

y (y.y%)

No. household children aged < 15 years, n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Age at first NP specimen post PCV booster (alternative schedule) or post measles vaccine (standard schedule) [days], n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

No. NP specimens from 10 to 14 months of age, n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Age at 18-month blood specimen (days), n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)

Age at post booster/post YF vaccine blood specimen (days), n

n = x

n = y

 Median (IQR)

x (x − x)

y (y − y)