Table 6 Prevalence of anaemia based on age and sex in the study populations

Sex

 Males

\(32.3(21/65)\)

\(16.7(9/54)\)

\(14.0(8/57)\)

\(21.6(38/176)\)

χ² = 54.346, p = 0.186

 Females

25.9 (22/85)

\(12.5(12/96\))

\(16.1(15/93)\)

\(17.9(49/274)\)

χ² = 58.346, p = 0.006

 Total

28.7 (43/150)

\(14.0(21/150)\)

\(15.3(23/150)\)

\(19.3(87/450)\)

χ² = 93.460, p = 0.004

 Significant difference

χ² = 33.662,

p = 0.053

χ² = 10.792,

p = 0.461

χ² = 14.183,

p = 0.077

χ² = 45.765,

p = 0.033

Age group (years)

 0–5

\(32.6(14/43)\)

\(19.4(6/31)\)

\(16.1(5/31)\)

\(23.8(25/105)\)

χ² = 32.679, p = 0.172

 6–10

\(11.1(1/9)\)

0

0

\(5.9(1/17 )\)

–

 11–20

\(25.0(1/4)\)

\(14.3(3/21)\)

\(10.7(3/28)\)

\(13.2(7/53)\)

χ² = 14.000, p = 0.301

 21–35

\(20.7(6/29)\)

\(14.3(6/42)\)

\(11.3(6/53)\)

\(14.5(18/124\))

χ² = 32.679, p = 0.289

 36–60

\(35.6(16/45)\)

\(5.6(2/36)\)

\(25.0(5/20\))

\(22.8(23/101\))

χ² = 21.419, p = 0.495

 ≥ 61

\(25.0( 5/20\))

\(21.1(4/19)\)

\(36.4(4/11\))

\(26.0(13/50\))

χ² = 26.000, p = 0.100

 Significant difference

χ² = 164.735,

p = 0.001

χ² = 47.250,

p = 0.341

χ² = 32.008,

p = 0.366

χ² = 240.679,

p = 0.000