
------------------------------------------------------------------------------------------
user_uuid                                                            Unique contributor ID
------------------------------------------------------------------------------------------

                  type:  string (str36)

         unique values:  188                      missing "":  0/8,597

              examples:  "33e423a7-c333-4a65-bb14-b2189380341b"
                         "6c0f7fa1-88e3-49f0-af36-d7b1da7227b6"
                         "a209c075-9a75-40be-8e66-fd8cf33fb61e"
                         "d5852b5f-8938-4c84-aff2-54eba2a4dc18"

------------------------------------------------------------------------------------------
session                                                                     Unique ride ID
------------------------------------------------------------------------------------------

                  type:  string (str52)

         unique values:  8,596                    missing "":  1/8,597

              examples:  "2016_09_14
                         AM_8e4a9654-9579-45e1-8ed7-dc7711c1336b_1"
                         "2016_10_13
                         PM_6c0f7fa1-88e3-49f0-af36-d7b1da7227b6_1"
                         "2016_11_09
                         PM_d5852b5f-8938-4c84-aff2-54eba2a4dc18_1"
                         "2016_11_30
                         AM_b48296ea-174d-42d9-841e-0537fbc82b5a_1"

               warning:  variable has embedded blanks

------------------------------------------------------------------------------------------
phase                                                                          Study phase
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  phase

                 range:  [1,4]                        units:  1
         unique values:  4                        missing .:  0/8,597

            tabulation:  Freq.   Numeric  Label
                         2,422         1  Baseline
                         4,596         2  Willingness to pay
                           887         3  Randomized car assignment
                           692         4  Extra: 10 cents

------------------------------------------------------------------------------------------
RI_pa                                                     Ride - is the pa system working?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  887/8,597

            tabulation:  Freq.   Numeric  Label
                         1,056         0  No
                         6,654         1  Yes
                           887         .  

------------------------------------------------------------------------------------------
RI_light                                                    Ride - are the lights working?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  887/8,597

            tabulation:  Freq.   Numeric  Label
                         5,338         0  No
                         2,372         1  Yes
                           887         .  

------------------------------------------------------------------------------------------
RI_ac                                                            Ride - is the ac working?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  887/8,597

            tabulation:  Freq.   Numeric  Label
                           615         0  No
                         7,095         1  Yes
                           887         .  

------------------------------------------------------------------------------------------
RI_push                                      Ride - is it so crowded you are being pushed?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  0/8,597

            tabulation:  Freq.   Numeric  Label
                         6,473         0  No
                         2,124         1  Yes

------------------------------------------------------------------------------------------
RI_spot                                     Ride - did you choose location to avoid crowd?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  887/8,597

            tabulation:  Freq.   Numeric  Label
                         3,350         0  No
                         4,360         1  Yes
                           887         .  

------------------------------------------------------------------------------------------
RI_together                                    Ride - are you riding with someon you know?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  0/8,597

            tabulation:  Freq.   Numeric  Label
                         7,597         0  No
                         1,000         1  Yes

------------------------------------------------------------------------------------------
RI_police_present                                Ride - was there a guard at the platform?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  887/8,597

            tabulation:  Freq.   Numeric  Label
                         5,216         0  No
                         2,494         1  Yes
                           887         .  

------------------------------------------------------------------------------------------
RI_started                                                  Ride - time task started (GMT)
------------------------------------------------------------------------------------------

                  type:  string (str19)

         unique values:  8,575                    missing "":  0/8,597

              examples:  "2016-09-14 11:00:30"
                         "2016-10-13 20:39:47"
                         "2016-11-09 20:44:03"
                         "2016-11-30 10:20:46"

               warning:  variable has embedded blanks

------------------------------------------------------------------------------------------
RI_look_pink                              Ride - did you look in pink car before deciding?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  7,710/8,597

            tabulation:  Freq.   Numeric  Label
                           474         0  No
                           413         1  Yes
                         7,710         .  

------------------------------------------------------------------------------------------
RI_look_mixed                            Ride - did you look in mixed car before deciding?
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  7,710/8,597

            tabulation:  Freq.   Numeric  Label
                           462         0  No
                           425         1  Yes
                         7,710         .  

------------------------------------------------------------------------------------------
CI_women_car                                                      Check-in - used pink car
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  yesno

                 range:  [0,1]                        units:  1
         unique values:  2                        missing .:  0/8,597

            tabulation:  Freq.   Numeric  Label
                         6,488         0  No
                         2,109         1  Yes

------------------------------------------------------------------------------------------
RI_crowd_rate                                                Ride - crowd rate self-report
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  crowd

                 range:  [1,4]                        units:  1
         unique values:  4                        missing .:  0/8,597

            tabulation:  Freq.   Numeric  Label
                         1,384         1  All can sit
                         2,651         2  Some cannot sit
                         3,213         3  Many standing
                         1,349         4  Very crowded

------------------------------------------------------------------------------------------
RI_men_present                                          Ride - male compliance self-report
------------------------------------------------------------------------------------------

                  type:  numeric (byte)
                 label:  RI_men_present

                 range:  [1,6]                        units:  1
         unique values:  6                        missing .:  0/8,597

            tabulation:  Freq.   Numeric  Label
                           897         1  0-10%
                           625         2  10-30%
                         1,609         3  30-50%
                         3,377         4  50-70%
                         1,825         5  70-90%
                           264         6  90-100%
