Figure 3.

Delays in age at receipt of hepatitis B vaccine doses among children enrolled in provider groups D and E following the hepatitis B birth dose suspension recommendations, baseline cohort vs. birth dose suspension cohort. - - - : Baseline cohort of children born between October 1996 – June 1999 (n = 67,835). : Birth dose suspension cohort of children born between July – September 1999 (n = 6,401). Age at vaccination was grouped into the following categories: birth (0–7 days), < 2 months (8 days – 2 months), 3–4 months, 5–6 months, 7–8 months, 9–10 months, 11–12 months, 13–14 months, 15–16 months, 17–18 months, 19–20 months, 21–24 months, and did not receive dose by 24 months ("never").