TABLE 1

Age-Specific Overall and Drowning Mortality Rates for PRECISE Participants and Nonparticipants

AgeNon-PRECISEAnchalSwimSafe
DeathsPerson-YearsDeath Rate (95% CI)bDeathsPerson-YearsDeath Rate (95% CI)bDeathsPerson-YearsDeath Rate (95% CI)b
Overalla
 128454 770.9518.5 (460.0–582.5)2740.8270.0 (32.7–975.3)
 215747 796.9328.5 (279.1–384.1)112591.7424.4 (211.9–759.4)
 311340 102.4281.8 (232.2–338.8)74669.1149.9 (60.3–308.9)
 47633 556.2226.5 (178.4–283.5)45811.168.8 (18.8–176.2)131792.2725.4 (386.2–1240.4)
 56729 828.5224.6 (174.1–285.3)32339.3128.2 (26.4–374.8)83899.8205.1 (88.6–404.2)
 65827 797.4208.7 (158.4–269.7)126935.2173.0 (89.4–302.2)
 76926 302262.3 (204.1–332.0)1210 441.6114.9 (59.4–200.8)
 86229 163.4212.6 (163.0–272.5)1313 33497.5 (51.9–166.7)
 93835 015.9108.5 (76.8–149.0)1014 631.468.3 (32.8–125.7)
 104043 964.891.0 (65.0–123.9)1015 212.965.7 (31.5–120.9)
 113953 045.373.5 (52.3–100.5)1014 014.371.4 (34.2–131.2)
 123859 787.663.6 (45.0–87.2)69963.860.2 (22.1–131.1)
Drowninga
 16854 770.9124.2 (96.4–157.4)0740.80.0 (0.0–498.0)
 23147 796.964.9 (44.1–92.1)12591.738.6 (1.0–215.0)
 32640 102.464.8 (42.4–95.0)04669.10.0 (0.0–79.0)
 41733 556.250.7 (29.5–81.1)05811.10.0 (0.0–63.5)01792.20.0 (0.0–205.8)
 51629 828.553.6 (30.7–87.1)22339.385.5 (10.4–308.8)03899.80.0 (0.0–94.6)
 61227 797.443.2 (22.3–75.4)06935.20.0 (0.0–53.2)
 71526 30257.0 (31.9–94.1)110 441.69.6 (0.2–53.4)
 8929 163.430.9 (14.1–58.6)013 3340.0 (0.0–27.7)
 9635 015.917.1 (6.3–37.3)014 631.40.0 (0.0–25.2)
 10243 964.84.5 (0.6–16.4)015 212.90.0 (0.0–24.2)
 11053 045.30.0 (0.0–7.0)014 014.30.0 (0.0–26.3)
 12059 787.60.0 (0.0–6.2)09963.80.0 (0.0–37.0)
  • a Crude death rates reported in this table; no adjustment has made for covariates.

  • b Per 100 000 person-years; CIs calculated assuming hazard is approximately constant over 1-year interval.