Table 1. Differences in age and sex specific mumps seroprevalence with 95% confidence intervals (CI) between the Pienter1 and Pienter2 study.
| Seroprevalence Pienter1 | Seroprevalence Pienter2 | |||||||||||||
| Age | n | Total (%) | 95% CI | Males (%) | 95% CI | Females (%) | 95% CI | n | Total (%) | 95% CI | Males (%) | 95% CI | Females (%) | 95% CI |
| 0–1 months | 51 | 73 | (54–92) | 52 | (27–77) | 83 | (66–99) | 16 | 79 | (47–100) | 55 | (3–100) | 95 | (83–100) |
| 2–3 months | 84 | 39 | (25–53) | 41 | (21–60) | 38 | (20–55) | 63 | 53 | (37–69) | 44 | (24–65) | 62 | (37–86) |
| 4–5 months | 113 | 30 | (17–42) | 34 | (12–55) | 25 | (15–36) | 53 | 7 | (0–13) | 6 | (0–15) | 7 | (0–18) |
| 6–9 months | 251 | 6 | (2–10) | 4 | (0–8) | 10 | (2–18) | 137 | 1 | (0–3) | 0 | 3 | (0–6) | |
| 10–13 months | 192 | 8 | (3–13) | 4 | (0–9) | 12 | (4–21) | 96 | 6 | (0–13) | 5 | (0–14) | 8 | (0–19) |
| 14–16 months | 57 | 37 | (24–49) | 49 | (32–65) | 23 | (7–39) | 30 | 62 | (46–78) | 61 | (40–83) | 63 | (40–86) |
| 17–23 months | 117 | 92 | (88–97) | 91 | (84–98) | 93 | (87–100) | 58 | 87 | (76–97) | 88 | (72–100) | 86 | (72–99) |
| 2 | 189 | 89 | (85–94) | 91 | (85–96) | 88 | (81–95) | 117 | 90 | (85–95) | 86 | (77–95) | 95 | (90–100) |
| 3 | 226 | 93 | (90–96) | 91 | (86–97) | 95 | (91–99) | 143 | 84 | (78–90) | 79 | (69–90) | 88 | (81–95) |
| 4 | 156 | 91 | (87–96) | 95 | (91–100) | 86 | (78–95) | 146 | 82 | (76–88) | 78 | (69–87) | 86 | (77–95) |
| 5 | 106 | 88 | (82–94) | 89 | (81–97) | 88 | (78–97) | 95 | 83 | (77–89) | 86 | (76–96) | 78 | (67–89) |
| 6 | 122 | 92 | (87–97) | 92 | (85–99) | 92 | (84–99) | 107 | 76 | (67–85) | 72 | (58–86) | 81 | (70–92) |
| 7 | 102 | 89 | (83–95) | 90 | (81–99) | 88 | (80–96) | 129 | 72 | (64–79) | 61 | (49–72) | 85 | (75–95) |
| 8 | 130 | 94 | (90–98) | 93 | (86–100) | 96 | (91–100) | 129 | 71 | (62–81) | 68 | (55–80) | 75 | (63–88) |
| 9 | 97 | 98 | (96–100) | 98 | (95–100) | 98 | (95–100) | 160 | 93 | (88–98) | 93 | (85–100) | 92 | (84–100) |
| 10 | 114 | 97 | (95–100) | 97 | (93–100) | 97 | (94–100) | 85 | 96 | (92–100) | 94 | (85–100) | 98 | (94–100) |
| 11 | 111 | 96 | (93–100) | 96 | (92–100) | 96 | (90–100) | 96 | 95 | (90–99) | 93 | (86–100) | 96 | (90–100) |
| 12 | 125 | 93 | (86–100) | 86 | (68–100) | 98 | (95–100) | 92 | 90 | (84–96) | 87 | (77–97) | 94 | (87–100) |
| 13 | 126 | 95 | (91–99) | 93 | (86–100) | 97 | (94–100) | 78 | 91 | (85–96) | 91 | (83–99) | 89 | (77–100) |
| 14 | 102 | 97 | (94–100) | 97 | (93–100) | 98 | (93–100) | 81 | 94 | (89–99) | 94 | (87–100) | 94 | (87–100) |
| 15 | 108 | 94 | (90–98) | 95 | (89–100) | 94 | (88–100) | 65 | 87 | (78–95) | 86 | (75–97) | 87 | (74–100) |
| 16–18 | 278 | 96 | (94–99) | 94 | (90–98) | 99 | (97–100) | 186 | 87 | (83–92) | 85 | (76–93) | 90 | (84–95) |
| 19–21 | 207 | 92 | (88–97) | 93 | (87–99) | 92 | (86–99) | 223 | 87 | (82–92) | 87 | (78–97) | 87 | (82–92) |
| 22–24 | 198 | 95 | (92–98) | 96 | (92–100) | 95 | (90–99) | 188 | 92 | (87–96) | 95 | (89–100) | 88 | (82–95) |
| 25–27 | 232 | 96 | (93–99) | 98 | (95–100) | 94 | (90–98) | 203 | 91 | (86–96) | 95 | (88–100) | 87 | (82–93) |
| 28–30 | 214 | 93 | (90–97) | 90 | (84–97) | 98 | (95–100) | 202 | 91 | (86–96) | 90 | (84–96) | 91 | (85–98) |
| 31–34 | 363 | 95 | (91–98) | 95 | (91–99) | 95 | (91–98) | 277 | 93 | (90–96) | 95 | (90–100) | 91 | (87–96) |
| 35–39 | 500 | 95 | (93–97) | 95 | (92–98) | 95 | (92–98) | 381 | 93 | (90–96) | 94 | (91–97) | 92 | (88–96) |
| 40–44 | 478 | 97 | (95–99) | 96 | (92–99) | 98 | (97–100) | 309 | 95 | (93–98) | 93 | (89–97) | 98 | (96–100) |
| 45–49 | 468 | 97 | (96–99) | 97 | (95–99) | 98 | (96–100) | 332 | 97 | (94–99) | 97 | (93–100) | 97 | (94–99) |
| 50–54 | 494 | 97 | (95–99) | 96 | (91–100) | 98 | (96–100) | 365 | 94 | (92–97) | 91 | (86–96) | 98 | (96–100) |
| 55–59 | 501 | 97 | (95–99) | 97 | (94–99) | 97 | (94–100) | 349 | 97 | (95–99) | 96 | (92–100) | 98 | (96–100) |
| 60–64 | 452 | 98 | (97–100) | 98 | (96–100) | 98 | (97–100) | 416 | 97 | (95–98) | 95 | (91–98) | 99 | (98–100) |
| 65–69 | 465 | 97 | (96–99) | 98 | (97–100) | 97 | (94–99) | 383 | 97 | (95–98) | 98 | (95–100) | 96 | (94–99) |
| 70–74 | 411 | 100 | (99–100) | 100 | (99–100) | 100 | (99–100) | 330 | 97 | (95–99) | 97 | (95–100) | 97 | (93–100) |
| 75–79 | 329 | 99 | (98–100) | 99 | (97–100) | 99 | (98–100) | 263 | 98 | (96–100) | 97 | (94–100) | 99 | (98–100) |
*
Table footnotes: In boldface the ages (4–5 months, 6–9 months, 6, 7, 8, 15, 16–18, 19–21 yrs) with a significant difference in seroprevalence between the Pienter1 and Pienter2 study.