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Table 1 Frequency distribution of risk factors across the sites

From: Flexible modelling of risk factors on the incidence of pneumonia in young children in South Africa using piece-wise exponential additive mixed modelling

Risk factors Mbekweni n (%) TC Newman n (%)
Total 628 (55.2) 509 (44.8)
HU 397 (63.2) 493 (96.9)
HEU 228 (36.3) 16 (3.1)
Girls 316 (50.3) 232 (45.6)
Boys 312 (49.7) 277 (54.4)
Not low WfL 386 (61.5) 299 (58.7)
Low WfL 174 (27.7) 154 (30.3)
Not preterm birth 522 (83.1) 425 (83.5)
Preterm birth 106 (16.9) 84 (16.5)
Not low birthweight 554 (88.2) 414 (81.3)
Low birthweight 74 (11.8) 95 (18.7)
Lower SES 356 (56.7) 211 (41.5)
Higher SES 272 (43.3) 298 (58.5)
Uncrowded 487 (77.5) 344 (67.6)
Crowded 141 (22.5) 165 (32.4)
No maternal smoking 504 (80.2) 232 (45.6)
Maternal smoking 91 (14.4) 261 (51.3)
Unexposed to Indoor air pollution 311 (49.5) 387 (76.0)
Exposed to indoor air pollution 132 (21.0) 7 (1.4)
High maternal education 239 (38.1) 206 (40.5)
Low maternal education 389 (61.9) 303 (59.5)