Variables

Frequency

% exposed to risk

% not exposed to risk

Statistical Analysis (ANOVA)

Age

df = 5

p = 0.041

18 - 25 yrs

50

26 (52%)

24 (48%)

26 - 35

101

69 (68%)

32 (32%)

36 - 45

199

136 (68.3%)

63 (31.7%)

46 - 55

148

98 (66.2%)

50 (33.9%)

56 - 65

41

16 (39%)

25 (61%)

66 - 75

19

6 (31.6%)

13 (68.4%)

Gender

df = 1

p = 0.972

Male

299

187 (62.5%)

112 (37.5%)

Female

259

209 (80.7%)

50 (19.3%)

Marital status

df = 4

p = 0.740

Married

452

273 (60.4%)

179 (39.7%)

Single

71

49 (69%)

22 (31%)

Separated

7

5 (71.4%)

2 (28.6%)

Divorced

15

12 (80%)

3 (20%)

Widowed

13

8 (61.5%)

5 (38.5%)

Level of Education

df = 2

p = 0.001

Primary

12

5 (41.7%)

7 (58.3%)

Secondary

45

34 (75.6%)

11 (24.4%)

Tertiary

501

308 (61.5%)

193 (38.5%)

Religion

Christianity

523

318 (60.8%)

205 (39.2%)

df = 2

p = 0.07

Islam

35

19 (54.3%)

16 (45.7%)

Traditional

-

-

Tribe

Ikwerre

117

77 (65.8%)

40 (34.2%)

df = 4

p = 0.038

Ogoni

64

41 (64.1%)

23 (35.9%)

Ijaw/Kalabari

59

33 (55.9%)

26 (44.1%)

Etche/Ogba

34

15 (44.1%)

19 (55.9%)

Others

284

181 (63.8%)

103 (36.3%)

Living place

Urban

245

136 (55.5%)

109 (44.5%)

df = 2

p = 0.236

Semi Urban

211

125 (59.2%)

86 (40.8%)

Rural

102

82 (80.4%)

20 (19.6%)

Employment Rank

Academic

481

283 (58.9%)

198 (41.2%)

df = 1

p = 0.968

Non Academic

77

54 (70.1%)

23 (29.9%)

Category of Staff

Junior Staff

42

35 (83.3%)

7 (16.7%)

df = 1

p = 0.985

Senior Staff

516

312 (60.5%)

204 (39.6%)