Table 1.
Comparison of cognitive variables between students living in Kourou (high proximity), Mana and St. Laurent (low proximity), and other communities (intermediate proximity) answering “yes” (% of the observations [95% CI])
High proximity | Intermediate proximity | Low proximity | c2 (df, N) | P value | |
Aedes observed | 18.8 (17.7–20.2) | 15.2 (10.9–20.6) | 10.9 (8.8–13.4) | 11.90 (2, 1,371) | 0.003 |
Aedes known | 33.2 (27.0–39.9) | 26.5 (21.2–32.9) | 23.0 (17.0–30.3) | 7.72 (2, 1,415) | 0.021 |
Mosquitoes transmit chikungunya | 70.5 (64.8–75.6) | 64.8 (59.0–70.1) | 57.5 (51.8–62.9) | 10.53 (2, 1,462) | 0.005 |
Symptoms linked to chikungunya | |||||
Headache | 69.7 (59.1–78.5) | 80.5 (76.7–83.8) | 71.7 (62.7–79.4) | 17.73 (2, 1,462) | 0.000 |
Myalgia | 72.0 (51.1–76.5) | 73.3 (65.0–80.2) | 63.5 (55.1–71.2) | 10.14 (2, 1,462) | 0.006 |
Arthralgia | 54.0 (37.7–69.5) | 61.7 (51.9–70.6) | 40.3 (35.3–45.6) | 28.23 (2, 1,462) | 0.000 |
Asthenia | 83.8 (70.5–91.8) | 83.1 (78.9–86.5) | 75.8 (66.5–83.2) | 8.72 (2, 1,462) | 0.013 |
Rash | 35.0 (24.9–46.4) | 36.5 (33.8–39.3) | 36.7 (30.2–43.6) | 0.24 (2, 1,462) | 0.889 |
CI = confidence interval; c2 = chi square; df = degree of freedom.