The novel data-set on walking speed in smoke is presented, including coupled data on obstructed (movement in smoke) and unobstructed (smoke-free movement) walking speed.
On the other hand, one study based on couple data found that although both partners' degree of psychopathology was related to both partners' degree of marital satisfaction, the more important factor for marital satisfaction was one's own degree of psychopathology [ 36].
We found evidence for a selection effect, but there is still a need for research based on couple data in order to make assumptions on the dynamics of mental distress and divorce.
For each couple, data collection was performed on five occasions (seven occasions for one couple).
It is based on couple data from a large, population based sample followed for many years.
A study by Ask and colleagues [ 23] based on couple data from HUNT 1 estimated that about 1.2% of all the participating couples were cohabiting whereas the rest were married.
The current results expand on previous research by testing this association on longitudinal couple data from a large, representative sample.
Finally, data on the community context were linked to the couple data.
Then data from registers with other longitudinal information on the spouses were linked to the couple data set.
The influence of one's neighbors can be observed using CDR data coupled to data on product adoption.
