From: Selective attrition and bias in a longitudinal health survey among survivors of a disaster
 | Respondents at wave 1 only (N = 118) | Respondents at waves 1 & 2 (N = 75) | Respondents at waves 1 & 3 (N = 73) | Respondents at waves 1, 2, 3 (N = 86) | p value |
---|---|---|---|---|---|
 | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) |  |
Disaster exposure | Â | Â | Â | Â | Â |
Relocated | 21.1 (13.7–28.5) | 34.8 (23.9–45.6) | 32.8 (21.9–43.6) | 38.6 (28.2–48.9) | 0.05 |
Injury self | 8.2 (3.2–13.2) | 8.2 (1.9–14.4) | 13.0 (5.2–20.7) | 7.0 (1.5–12.4) | 0.6 |
Lost a loved one | 10.9 (5.2–16.5) | 4.1 (0.0–8.6) | 8.7 (2.1–15.2) | 9.3 (3.1–15.4) | 0.4 |
Intense anxiety | 76.3 (68.6–84.0) | 72.0 (61.7–82.2) | 71.2 (60.7–81.6) | 80.2 (71.6–88.6) | 0.5 |
Saw frightening things | 58.5 (49.5–67.4) | 64.0 (53.0–74.9) | 56.2 (44.6–67.6) | 68.6 (58.6–78.4) | 0.3 |
Health at wave 1 | Â | Â | Â | Â | Â |
Depressive feelings (high) | 69.3 (60.9–77.6) | 84.6 (76.3–92.8) | 74.6 (64.5–84.6) | 89.9 (83.4–96.3) | 0.004 |
Feelings of anxiety (high) | 66.7 (58.1–75.2) | 80.3 (71.2–89.3) | 74.6 (64.5–84.6) | 81.5 (73.2–89.7) | 0.09 |
Intrusion and avoidance (high) | 82.7 (75.8–89.5) | 93.9 (88.4–99.3) | 82.4 (73.5–91.1) | 96.3 (92.3–100.0) | 0.006 |
Physical symptoms (high) | 58.7 (49.7–67.6) | 70.3 (59.8–80.6) | 52.9 (41.0–64.1) | 76.5 (67.4–85.5) | 0.007 |
Sleeping problems (high) | 61.8 (52.9–70.6) | 83.6 (75.1–92.0) | 59.4 (48.0–70.7) | 85.9 (78.4–93.3) | 0.008 |
Poor social functioning | 69.0 (60.6–77.3) | 71.8 (61.5–82.0) | 72.5 (62.1–82.7) | 76.7 (67.6–85.6) | 0.7 |
Physical role limitations | 71.9 (63.7–80.0) | 73.2 (63.0–83.2) | 67.4 (56.5–78.2) | 81.2 (72.8–89.5) | 0.4 |
Emotional role limitations | 73.6 (65.6–81.6) | 87.5 (79.9–95.0) | 83.7 (75.1–92.2) | 84.1 (76.3–91.8) | 0.2 |
Poor general health | 48.0 (38.9–57.0) | 66.7 (55.9–77.4) | 60.3 (48.9–71.5) | 75.6 (66.4–84.7) | 0.002 |