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Table 1 Variables used in assessing the socio-economic status (SES), their coding and estimated scores

From: Spatial variation and socio-economic determinants of Plasmodium falciparum infection in northeastern Tanzania

Variable

Variable type and code

SES score

Source of power for lighting

Binary: (0 = Local lamp[koroboi], 1 = kerosene lump/electricity)

0.447

Source of power for cooking

Binary: (0 = Firewood, 1 = charcoal/kerosene/electricity)

0.402

Possess Mobile phone

Binary: (0 = No, 1 = yes)

0.390

Material used in making toilet walls

Binary: (0 = Thatch/mud walls, 1 = Bricks)

0.365

Ownership of bicycle

Binary: (0 = No, 1 = yes)

0.258

Occupation-formal employment

Binary: (0 = No, 1 = yes)

0.252

Source of water for domestic use

Ordinal: (1 = River, 2 = Well, 3 = Tap)

0.223

Availability of radio

Binary: (0 = No, 1 = yes)

0.210

Occupation - Small business

Binary: (0 = No, 1 = yes)

0.147

Number of sleeping rooms/Household size

Continuous [0-1][]

0.131

Ownership of house

Binary: (0 = No, 1 = yes)

0.127

Occupation - Petty business

Binary: (0 = No, 1 = yes)

0.092

Other occupation (such as masonry etc)

Binary: (0 = No, 1 = yes)

0.061

Number of cattle

Ordinal: (0 = none, 1 = 1-4, 2 = More than 4)

0.053

Number of goats/sheep

Ordinal: (0 = none, 1 = 1-10, 2 = More than 10)

-0.021

Number of chicken

Ordinal: (0 = None, 1 = 1-20, 2 = More than 20)

-0.025

Occupation - Peasant farmer

Binary: (0 = No, 1 = yes)

-0.226