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Table 2 Standard cut offs used for data collection

From: Health issues in a Bangalore slum: findings from a household survey using a mobile screening toolkit in Devarajeevanahalli

Standard definitions

Cut offs used

Body Mass Index [15]

 Normal

BMI values 18.5 kg/m2–22.9 kg/m2

 Overweight

BMI value 23.0 kg/m2 to 24.9 kg/m2

 Obesity

BMI above 25 kg/m2

Hypertension JNC 7 [16]

 Normal

SBP < 120 mm of Hg and DBP < 80 mm of Hg

 Prehypertension

SBP 120–139 mm of Hgor DBP 80–89 mm of Hg

 Stage 1 Hypertension

SBP 140–159 mm of Hgor DBP 90–99 mm of Hg

 Stage 2 Hypertension

SBP ≥160 mm of Hgor DBP ≥ 100 mm of Hg

Diabetes [17]

 Diabetes

FPG > 126 mg/dL (7.0 mmol/L)or RPG > 200 mg/dL(11.1 mmol/L)

 Impaired Glucose Tolerance

FPG 140 to 199 mg/ dL (7.8 to 11 mmol/L)or RPG 100 to 125 mg /dL(5.6 to 7.0 mmol/L)

Anaemia [18]

 Mild

Hb values 11.9–11.0 g/dL

 Moderate

Hb values 10.9–8.0 g/dL

 Severe

Hb value < 8.0 g/dL

Malnutrition indices in children [19]

Definitions

 Underweight

Weight/age < − 2 standard deviations (SD) of the WHO Child Growth Standards median

 Stunting

Height/age < − 2 standard deviations (SD) of the WHO Child Growth Standards median

 Wasting

Weight/height < − 2 standard deviations (SD) of the WHO Child Growth Standards median

  1. BMI Body mass index, SBP Systolic blood pressure, DBP Diastolic blood pressure, FPG Fasting plasma glucose, RPG Random plasma glucose, Hb Haemoglobin
  2. All the instruments were calibrated by the biomedical department as per standards.