Feasibility and acceptability of a whole-school social-marketing intervention to prevent unintended teenage pregnancies and promote sexual health: evidence for progression from a pilot to a phase III randomised trial in English secondary schools

Table 2 Pilot school characteristics by trial arm

School characteristics		Intervention (4 schools)	Control (2 schools)	Overall (6 schools)
School type	Academy independent of local authority	3	2	5
School type	Community (local authority) school	1	0	1
Academic attainment: 2017 attainment 8 score^a mean (SD)		47.3 (6.80)	51.1 (2.75)	48.6 (6.03)
Proportion of students entitled to Free School Meals (FSM)^a mean (SD)		30.25 (4.64)	23.2 (8.35)	27.9 (6.98)
School size^a mean (SD)		1342 (355.22)	1193 (390.50)	1292 (374.08)
Area deprivation: Income Deprivation Affecting Children Index (IDACI) score^b mean (SD)		0.130 (0.04)	0.183 (0.06)	0.147 (0.05)

^aData retrieved from www.compare-school-performance.service.gov.uk, retrieved on 6/9/19
^bIDACI score by school post-code from imd-by-postcode.opendatacommunities.org, retrieved on 6/9/19

ISSN: 2055-5784