| |
Pre-epidemic period
|
Epidemic period
|
Post-epidemic period
|
|---|
| |
Number(%)
|
PRa (95% CI)
|
Number(%)
|
Number(%)
|
PRa (95% CI)
|
|---|
|
CLINICAL SYMPTOMS
|
|
Diarrhea quality
| | | | | |
|
Watery
|
63/65 (97%)
|
1.0 (1.0–1.1)
|
1143/1232 (93%)
|
34/39 (87%)
|
0.94 (0.83–1.1)
|
|
Rice water
|
9/65 (14%)
|
0.18 (0.10–0.33)
|
942/1208 (78%)
|
32/38 (84%)
|
1.1 (0.94–1.2)
|
|
Bloody
|
0/63 (0)
|
0
|
10/1229 (0.8%)
|
0/39 (0)
|
0
|
|
Mucous
|
9/64 (14%)
|
10 (4.7–22)
|
17/1226 (1.4%)
|
5/39 (13%)
|
9.3 (3.6–24)
|
|
Vomiting
|
60/65 (92%)
|
1.1 (0.97–1.1)
|
1062/1203 (88%)
|
33/38 (87%)
|
0.98 (0.87–1.1)
|
|
Dehydration
|
61/65 (94%)
|
3.0 (2.7–3.4)
|
369/1194 (31%)
|
33/37 (89%)
|
2.9 (2.5–3.3)
|
|
Dyspnea
|
3/62 (4.8%)
|
1.9 (0.60–6.1)
|
30/1181 (2.5%)
|
5/36 (14%)
|
5.5 (2.3–13)
|
|
Altered consciousness
|
9/64 (14%)
|
2.3 (1.2–4.4)
|
72/1184 (6.1%)
|
11/36 (31%)
|
5.0 (2.9–8.6)
|
|
Coma
|
2/64 (3.1%)
|
7.5 (1.5–38)
|
5/1195 (0.4%)
|
1/35 (2.9%)
|
6.8 (0.82–57)
|
|
PRIMARY WATER SOURCE
|
|
Piped
|
13/65 (20%)
|
0.97 (0.59–1.6)
|
294/1207 (21%)
|
2/39 (5.1%)
|
0.25 (0.06–0.96)
|
|
Public tap
|
40/65 (62%)
|
0.86 (0.70–1.0)
|
868/1207 (72%)
|
15/39 (39%)
|
0.53 (0.36–0.80)
|
|
River/shallow well/lake
|
1/65 (1.5%)
|
0.48 (0.07–3.4)
|
39/1207 (3.2%)
|
21/39 (54%)
|
17 (11–25)
|
|
Other
|
11/65 (17%)
|
4.0 (2.2–7.3)
|
51/1207 (4.2%)
|
1/39 (2.6%)
|
0.61 (0.08–4.3)
|
|
WATER TREATMENT
|
|
Drinking treated water
|
6/61 (9.8%)
|
0.31 (0.14–0.66)
|
358/1111 (32%)
|
3/35 (12%)
|
0.37 (0.13–1.1)
|
|
If treated, treated with chlorine
|
6/6 (100%)
|
1.0 (0.89–1.2)
|
331/342 (97%)
|
2/2 (100%)
|
1.0 (0.81–1.3)
|
|
RECENT BEHAVIORAL RISK FACTORS
|
|
Contact with suspected cholera case
|
1/64 (1.6%)
|
0.08 (0.01–0.53)
|
241/1167 (21%)
|
4/39 (10%)
|
0.50 (0.19–1.3)
|
|
Funeral participation
|
0 (0)
|
0
|
18/1196 (1.5%)
|
0/39 (0)
|
0
|
|
Social gathering participation
|
3/64 (4.7%)
|
1.0 (0.32–3.1)
|
56/1195 (4.7%)
|
1/39 (2.6%)
|
0.55 (0.08–3.9)
|
|
Visited market
|
6/65 (9.2%)
|
0.37 (0.17–0.80)
|
294/1185 (25%)
|
2/39 (5.1%)
|
0.21 (0.05–0.80)
|
|
Travel
|
3/65 (4.6%)
|
1.8 (0.57–5.9)
|
30/1191 (2.5%)
|
5/39 (13%)
|
5.1 (2.1–12)
|
- aPrevalence ratios (PR) and 95% confidence intervals (CI) were calculated for the pre-epidemic and post-epidemic periods using the epidemic period as the reference
