Table 1 Characteristics of the study population.

From: Factors influencing long-term persistence of anti-HBs after hepatitis B vaccination

  

Cohort 1

Cohort 2

  

n = 5485

n = 3974

  

n

%

n

%

Sex

Male

1953

36%

1236

31%

 

Female

3532

64%

2738

69%

  

mean

SD

mean

SD

Age at 1st dose (months)

3.04

0.80

136.41

4.32

Time 1st–2nd dose (days)

54.61

9.79

39.21

9.44

Time 2nd–3rd dose (months)

7.18

1.08

5.72

0.97

Follow-up duration (months/years)

19.35

0.97

9.54

1.82

  1. SD standard deviation.