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Table 3 Vaccinations scheduled in July vs. vaccinations scheduled all other months, n = 61,889

From: Monitoring of timely and delayed vaccinations: a nation-wide registry-based study of Norwegian children aged < 2 years

 

Scheduled July

Scheduled all other months

RR (95 % CI)

RD (95 % CI)

Pertussis, delay

 1st dose, n (%)

335 (6.5)

2242 (3.9)

1.65 (1.48, 1.85)

2.6 (1.9, 3.3)

 2nd dose, n (%)

877 (18.3)

8252 (14.5)

1.27 (1.19, 1.35)

3.8 (2.7, 5.0)

 3rd dose, n (%)

1604 (28.6)

9658 (17.2)

1.67 (1.59, 1.74)

11.4 (10.2, 12.6)

Pneumococcal, delay

 1st dose

426 (8.3)

3166 (5.6)

1.49 (1.35, 1.64)

2.7 (1.9, 3.5)

 2nd dose

972 (20.3)

9310 (16.3)

1.24 (1.17, 1.32)

4.0 (2.8, 5.2)

 3rd dose

1676 (29.9)

10,743 (19.1)

1.56 (1.50, 1.63)

10.8 (9.5, 12.0)

Measles, delay

 1st dose, n (%)

2095 (40.8)

14,904 (26.3)

1.56 (1.50, 1.61)

14.6 (13.2, 16.0)

  1. RR relative risk, RD risk difference (%), CI confidence interval