Australia 1983.

Methods	Allocation concealment: not stated. Authors state "randomly allocated". Two arms
Participants	28 women in antenatal clinics with mild‐moderate PIH (BP >/= 140/90 mmHg x 2 at least 24 hrs apart). Excluded: impaired renal function.
Interventions	Exp: oral propranolol 30 mg/day 160 mg/day. (14 women) Control: oral methyldopa 500 mg/day to1000 mg/day. (14 women)
Outcomes	Women: severe HT, proteinuria (undefined), additional antihypertensive, changed drugs due to side‐effects, caesarean section. Babies: perinatal death, preterm delivery, jaundice, bradycardia, hypoglycaemia, birthweight (mean).
Notes	London School of Hygiene sphygmomanometer (random zero) used. No mention of which Korotkoff sound used for DBP. Funding: no information about funding source. Declaration of interests not described.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not described.
Allocation concealment (selection bias)	Unclear risk	Not described: quote "...randomly allocated..." no further details.
Blinding of participants and personnel (performance bias) All outcomes	High risk	Open‐label trial.
Blinding of outcome assessment (detection bias) All outcomes	High risk	No.
Incomplete outcome data (attrition bias) All outcomes	Low risk	No.
Selective reporting (reporting bias)	Unclear risk	Assessment from published study report.
Other bias	Unclear risk	No information about funding source. Declaration of interests not described