Table 4 Descriptive statistics of included members of livestock-owning households in southern Jordan, camel-owning (COH) and non-camel owning (NCOH) households

From: Camel milk is a neglected source of brucellosis among rural Arab communities

 

COH

NCOH

All

(n = 667)

(n = 200)

(n = 867)

Age*

5–14

143 (21.5%)

47 (24%)

190 (22%)

15–24

151 (22.7%)

50 (25%)

201 (23%)

25–39

161 (24.2%)

40 (20%)

201 (23%)

40–59

137 (20.6%)

44 (22%)

181 (21%)

≥60

74 (11.1%)

18 (9%)

92 (11%)

Median (IQR)

27 (16–45)

26 (15–44)

27 (16–44)

Sex

Female

384 (57.6%)

118 (59%)

401 (46%)

Male

283 (42.4%)

82 (41%)

466 (54%)

Nationality*†

Jordanian

565 (93.1%)

192 (99%)

757 (95%)

Saudi Arabian

23 (3.8%)

0 (0%)

23 (3%)

Egyptian

8 (1.3%)

0 (0%)

8 (1%)

Sudanese

8 (1.3%)

0 (0%)

8 (1%)

Other

3 (0.5%)

2 (1%)

5 (1%)

History of brucellosis

Yes

18 (2.8%)

5 (2.6%)

23 (3%)

No

629 (97.2%)

189 (97.4%)

818 (97%)

Secondary education*‡

Yes

180 (35.6%)

53 (37%)

233 (36%)

No

326 (64.4%)

90 (63%)

414 (64%)

Household size (no. of members >10)

0–10

287 (43.0%)

76 (38.0%)

363 (42%)

11–20

309 (46.3%)

109 (54.5%)

418 (48%)

>20

71 (10.6%)

15 (7.5%)

86 (10%)

Household owns camels

Yes

667 (100%)

0 (0%)

667 (77%)

No

0 (0%)

200 (100%)

200 (23%)

Household owns cattle

Yes

0 (0%)

0 (0%)

0 (0%)

No

667 (100%)

200 (100%)

867 (100%)

Household owns small ruminants

Yes

590 (88.5%)

200 (100%)

790 (91.1%)

No

77 (11.5%)

0 (0%)

77 (8.9%)

Where owned, small ruminants are reported as being vaccinated

yes

255 (72.9%)

118 (90.8%)

373 (77.7%)

No

95 (27.1%)

12 (9.2%)

107 (22.3%)

Any history of livestock engagement†§

Yes

571 (85.6%)

711 (82.0%)

711 (82%)

No

96 (14.4%)

156 (18.0%)

156 (18%)

Frequent (≥weekly) working with livestock

Yes

478 (71.7%)

577 (66.6%)

577 (67%)

No

189 (28.3%)

290 (33.4%)

290 (33%)

Household home has an air-cooling system

Yes

169 (42.9%)

56 (31.6%)

225(39.4%)

No

225 (57.1%)

121 (68.4%)

346 (60.6%)

  1. *Missing values: Age n = 2 (COH n = 1, NCOH n = 1), Nationality n = 68 (COH n = 62, NCOH n = 6), Secondary education n = 219 (COH n = 162, NCOH n = 57). Other nationalities included Ugandan (n = 1), Syrian (n = 1), British (n = 1). Socioeconomic status indicator, due to sociocultural reasons socioeconomic status was not directly measured. §Any history of livestock activity (>never). Involved in any recorded livestock activity weekly or more.