The question is asking what type of test should be used when comparing differences between 2 variables. Literacy is ordinal level measurement. A,b,c are all continuous and e,f are dichotomous nominal (categorical). Is this answer correct ?

3) As per Table 1, please note the type of test used to compare differences between the controlled vs. uncontrolled group. (If t-test, please list which type) a) Age - independent samples T-test b) Disease duration - independent samples T-test c) BMI - independent samples T-test d) Literacy - Chi Square e) Family history - Chi-square f) Sex - Chi-squareTABLE 1: Demographic characteristics of patients participating in the study in two controlled and uncontrolled groups. Variable Controlled group Uncontrolled group P value Mean (SD) Mean (SD) Age (years) 50.2 + 6.6 50.4 + 5.9 P = 0.6 Disease duration (years) 5.9 + 4.0 5.5 + 3.2 P = 0.2 BMI (kg/m?) 29.2 + 4.1 30.1 + 5.60 P = 0.04 Number (%) Number (%) Literacy" Primary school 335 (77.4) 173 (73.1) Middle school 89 (20.6) 58 (23.5) P = 0.324 High school 9 (2.1) 8 (3.4) Family history Yes 215 (49.7) 116 (48.7) P = 0.8 No 218 (50.3) 122 (51.3) Sex Male 95 (21.9) 74 (31.1) P = 0.001 Female 338 (78.1) 164 (68.9) "Primary school starts from the first to the fifth grade. Middle school goes from the sixth to the eighth grade. High school is the last three years and is required to enter into higher education