cap program drop create_median

capture {
	program create_median
		syntax, var(str) prefix(str)
		
		sum `var', detail
		local med = r(p50)
		
		cap drop `prefix'_Indicator
		gen `prefix'_Indicator = .
		replace `prefix'_Indicator = 0 if `var' <  `med'
		replace `prefix'_Indicator = 1 if `var' >= `med'
	end
}

* If statements
local G0 "if S0_Gender == 1"
local G1 "if S0_Gender == 2"
	
create_median, var(S1_Income) prefix("MI")
create_median, var(S1_Education) prefix("ME")
create_median, var(S0_Age) prefix("MA")
create_median, var(StratWantRestrictionIndex) prefix("MR")
create_median, var(StratAddictionLifeIndex) prefix("ML")
create_median, var(PD_P1_UsageFITSBY) prefix("MU")

local I0 "if MI_Indicator == 0"
local I1 "if MI_Indicator == 1"
local E0 "if ME_Indicator == 0"
local E1 "if ME_Indicator == 1"
local A0 "if MA_Indicator == 0"
local A1 "if MA_Indicator == 1"
local U0 "if MU_Indicator == 0"
local U1 "if MU_Indicator == 1"
local R0 "if MR_Indicator == 0"
local R1 "if MR_Indicator == 1"
local L0 "if ML_Indicator == 0"
local L1 "if ML_Indicator == 1"

* Plot labels
local label_G0 "Male"
local label_G1 "Female"

local label_I0 "Below median income"
local label_I1 "Above median income"
local label_E0 "Below median education"
local label_E1 "Above median education"
local label_A0 "Below median age"
local label_A1 "Above median age"
local label_U0 "Below median period 1 usage"
local label_U1 "Above median period 1 usage"
local label_R0 "Below median restriction index"
local label_R1 "Above median restriction index"
local label_L0 "Below median addiction index"
local label_L1 "Above median addiction index"

local suffix_I "income"
local suffix_E "educ"
local suffix_A "age"
local suffix_G "gender"
local suffix_U "usage"
local suffix_R "restrict"
local suffix_L "life"