Baseline characteristics from S. Paratyphi A and S. Typhi cases and matched controls in Kathmandu, Nepal, 2011.

a: no controls were identified for one case aged 50 years; data from.b: 155 controls;c: 49 cases, 150 controls;d: 157 controls;e: 154 controls;f: 45 cases; 125 controls;g: 48 cases, 135 controls,h: the number of people sharing a kitchen;i: 43 cases, 146 controls;j: 31 cases, 100 controls;k: panipuri is a local bread snack that is dipped is a water-based sauce.