sysuse auto, clear

set seed 1
bootstrap "regress mpg gear_ratio foreign, hc2" _b _se, ///
	reps(1000) dots saving(bsdata) replace

regress mpg gear_ratio foreign, hc2

use bsdata
gen t_gear_ratio = (b_gear_ratio - _b[gear_ratio]) / se_gear_ratio
gen t_foreign = (b_foreign - _b[foreign]) / se_foreign
gen t_cons = (b_cons - _b[_cons]) / se_cons

_pctile t_gear_ratio, percentiles(2.5 97.5)
display "Confidence interval for b_gear_ratio"
display _b[gear_ratio] - _se[gear_ratio]*r(r2)
display _b[gear_ratio] - _se[gear_ratio]*r(r1)


_pctile t_foreign, percentiles(2.5 97.5)
display "Confidence interval for b_foreign"
display _b[foreign] - _se[foreign]*r(r2)
display _b[foreign] - _se[foreign]*r(r1)


_pctile t_cons, percentiles(2.5 97.5)
display "Confidence interval for b_cons"
display _b[_cons] - _se[_cons]*r(r2)
display _b[_cons] - _se[_cons]*r(r1)