He added: "Form-wise this is probably the best I've played, it's the most goals I've scored in a season, the most games I've played in the season.
"It helps any player playing every week regularly because that's the way you get your form."
Jackson admitted that, despite his accolade, he still felt the pain of relegation from the Championship.
"I've played every game and the team's bottom of the league, so I'm as responsible for that as anyone.
"I'd rather win the player of the year in a team that was doing well rather than struggling."