A doctoral student at USP - Universidade de Sao Paulo, is using Amartya Sen's Capability Approach to study some aspects of the digital divide. His work is not related to education, but might be useful. See http://link.springer.com/chapter/10.1007/978-3-662-44426-9_20. You will find his email.
Hi, maybe this is of interest to you: if looked together with D. Joye into the connection between various factors and ICT use in Switzerland in an explorative manner in the following article:
"Determinants of Internet Use in Switzerland. Structural Disparities and New Technologies"; (2003); in: Rich and Poor, p.73 ff.