Returns 200 but has no effect and logs these notices:

2012-03-02 16:34:00 Notice: Notice (8): Undefined index: race in [/Applications/MAMP/htdocs/gears/trunk/app/Model/CoNsfDemographic.php, line 85]
Trace:
CoNsfDemographic::extractOptions() - APP/Model/CoNsfDemographic.php, line 85
CoNsfDemographicsController::beforeRender() - APP/Controller/CoNsfDemographicsController.php, line 69
Controller::render() - CORE/Cake/Controller/Controller.php, line 865
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 111
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 86
[main] - APP/webroot/index.php, line 96

2012-03-02 16:34:00 Notice: Notice (8): Undefined index: in [/Applications/MAMP/htdocs/gears/trunk/app/Model/CoNsfDemographic.php, line 91]
Trace:
CoNsfDemographic::extractOptions() - APP/Model/CoNsfDemographic.php, line 91
CoNsfDemographicsController::beforeRender() - APP/Controller/CoNsfDemographicsController.php, line 69
Controller::render() - CORE/Cake/Controller/Controller.php, line 865
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 111
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 86
[main] - APP/webroot/index.php, line 96

2012-03-02 16:34:00 Notice: Notice (8): Undefined index: disability in [/Applications/MAMP/htdocs/gears/trunk/app/Model/CoNsfDemographic.php, line 101]
Trace:
CoNsfDemographic::extractOptions() - APP/Model/CoNsfDemographic.php, line 101
CoNsfDemographicsController::beforeRender() - APP/Controller/CoNsfDemographicsController.php, line 69
Controller::render() - CORE/Cake/Controller/Controller.php, line 865
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 111
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 86
[main] - APP/webroot/index.php, line 96

2012-03-02 16:34:00 Notice: Notice (8): Undefined index: in [/Applications/MAMP/htdocs/gears/trunk/app/Model/CoNsfDemographic.php, line 107]
Trace:
CoNsfDemographic::extractOptions() - APP/Model/CoNsfDemographic.php, line 107
CoNsfDemographicsController::beforeRender() - APP/Controller/CoNsfDemographicsController.php, line 69
Controller::render() - CORE/Cake/Controller/Controller.php, line 865
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 111
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 86
[main] - APP/webroot/index.php, line 96