Year

2000

2004

2012

Province

Variable

Mean

Std. deviation

Mean

Std. deviation

Mean

Standard Deviation

Central

Arithmetic

557.1

69.95

552.39

55.34

576.43

61.82

Reading

561.36

74.88

551.53

57.87

575.46

74.69

Coast

Arithmetic

378.59

87.06

562.48

64.15

575.46

74.69

Reading

557.7

93.73

562.47

65.98

563.53

55.18

Eastern

Arithmetic

539.61

80.14

567.22

60.89

560.35

43.53

Reading

545.7

87.34

568.92

63.08

543.87

48.68

Nairobi

Arithmetic

628.64

105.49

622.35

55.35

606.59

85.83

Reading

636.87

113.86

628.75

59.89

624.76

74.57

North Eastern

Arithmetic

523.84

80.88

524.2

46.02

599.11

92.99

Reading

523.98

92.49

524.14

46.61

558.15

84.67

Nyanza

Arithmetic

507.05

71.28

530.93

52.68

555.18

37.89

Reading

508.85

80.39

531.32

54.58

542.13

51.92

Rift valley

Arithmetic

562.32

81.87

528.85

70.69

551.74

45.34

Reading

568.99

90.89

528.89

74.69

532.84

62.92

Western

Arithmetic

523.4

73.32

525.99

46.34

514.04

43.22

Reading

525.81

81.13

525.97

47.83

494.72

55.61