Mean Hb level

SD

Ethnicity

Tamil

10.67

3.03

Muslim

11.39

2.16

Sinhalese

9.7

4.88

Age category

Teenage (<19 years)

11.2

1.89

Average (19 - 35 years)

10.62

3.11

Elderly (>35 years)

10.87

3.41

Parity

P1

10.86

2.65

P2

10.57

3.26

P3

10.85

2.94

P4

10.47

3.35

P5 and above

9.88

3.79