Table 1 Distribution of malaria cases by sex and age, Woreta town, Northwest Ethiopia. (2005–2012)

Sex

Age groups (years)

Positive (%)

Negative(%)

OR (95% CI)

p-value

Males

< 5

3304 (18.7)

8075 (23.4)

1.00

5–15

10,027 (56.6)

17,995 (52.1)

1.36 (1.30–1.40)

< 0.001

> 15

4369 (24.7)

8449 (24.5)

1.26 (1.20–1.34)

< 0.001

Sub- total

17,700 (100.0)

34,519 (100.0)

Females

< 5

4558 (29.0)

11,658 (33.9)

1.00

5–15

7565 (48.1)

15,656 (45.5)

1.24 (1.18–1.30)

< 0.001

> 15

3608 (22.9)

7085 (20.6)

1.30 (1.24–1.40)

< 0.001

Sub- total

15,731 (100.0)

34,401 (100.0)

Total

< 5

7862 (23.5)

19,639 (28.4)

1.00

5–15

17,592 (52.6)

33,912 (49.1)

1.30 (1.26–1.34)

< 0.001

> 15

7977 (23.9)

15,538 (22.5)

1.29 (1.24–1.33)

< 0.001

Total

33,431 (100.0)

69,089 (100.0)